16159769636940 has 144 divisors (see below), whose sum is σ = 49109174045568. Its totient is φ = 4301258637312.

The previous prime is 16159769636939. The next prime is 16159769637001. The reversal of 16159769636940 is 4963696795161.

16159769636940 is a `hidden beast` number, since 1 + 6 + 159 + 76 + 9 + 6 + 369 + 40 = 666.

It is a super-2 number, since 2×16159769636940² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 343166077 + ... + 343213163.

It is an arithmetic number, because the mean of its divisors is an integer number (341035930872).

Almost surely, 2^{16159769636940} is an apocalyptic number.

16159769636940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16159769636940 is an abundant number, since it is smaller than the sum of its proper divisors (32949404408628).

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

16159769636940 is a wasteful number, since it uses less digits than its factorization.

16159769636940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50608 (or 50603 counting only the distinct ones).

The product of its (nonzero) digits is 396809280, while the sum is 72.

The spelling of 16159769636940 in words is "sixteen trillion, one hundred fifty-nine billion, seven hundred sixty-nine million, six hundred thirty-six thousand, nine hundred forty".