16120365156 has 81 divisors (see below), whose sum is σ = 47417235411. Its totient is φ = 4604295024.

The previous prime is 16120365139. The next prime is 16120365197. The reversal of 16120365156 is 65156302161.

The square root of 16120365156 is 126966.

It is a perfect power (a square), and thus also a powerful number.

16120365156 is a `hidden beast` number, since 1 + 612 + 0 + 36 + 5 + 1 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 16120365156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5331061 + ... + 5334083.

Almost surely, 2^16120365156 is an apocalyptic number.

16120365156 is the 126966-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16120365156

16120365156 is an abundant number, since it is smaller than the sum of its proper divisors (31296870255).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16120365156 is an equidigital number, since it uses as much as digits as its factorization.

16120365156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070 (or 3035 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

Multiplying 16120365156 by its sum of digits (36), we get a square (580333145616 = 761796²).

16120365156 divided by its sum of digits (36) gives a square (447787921 = 21161²).

Multiplying 16120365156 by its product of nonzero digits (32400), we get a square (522299831054400 = 22853880²).

The spelling of 16120365156 in words is "sixteen billion, one hundred twenty million, three hundred sixty-five thousand, one hundred fifty-six".