16120556 has 12 divisors (see below), whose sum is σ = 29870568. Its totient is φ = 7586112.

The previous prime is 16120553. The next prime is 16120583. The reversal of 16120556 is 65502161.

It is not an unprimeable number, because it can be changed into a prime (16120553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118466 + ... + 118601.

It is an arithmetic number, because the mean of its divisors is an integer number (2489214).

Almost surely, 2^16120556 is an apocalyptic number.

It is an amenable number.

16120556 is a deficient number, since it is larger than the sum of its proper divisors (13750012).

16120556 is a wasteful number, since it uses less digits than its factorization.

16120556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237088 (or 237086 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 16120556 is about 4015.0412202118. The cubic root of 16120556 is about 252.6155064123.

The spelling of 16120556 in words is "sixteen million, one hundred twenty thousand, five hundred fifty-six".