16120357640 has 32 divisors (see below), whose sum is σ = 36729936000. Its totient is φ = 6366519744.

The previous prime is 16120357637. The next prime is 16120357679. The reversal of 16120357640 is 4675302161.

It is a self number, because there is not a number n which added to its sum of digits gives 16120357640.

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 7 ways as a sum of consecutive naturals, for example, 2547530 + ... + 2553849.

It is an arithmetic number, because the mean of its divisors is an integer number (1147810500).

Almost surely, 2^16120357640 is an apocalyptic number.

16120357640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16120357640 is an abundant number, since it is smaller than the sum of its proper divisors (20609578360).

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

16120357640 is a wasteful number, since it uses less digits than its factorization.

16120357640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101469 (or 5101465 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 16120357640 in words is "sixteen billion, one hundred twenty million, three hundred fifty-seven thousand, six hundred forty".