16156839482820 has 72 divisors (see below), whose sum is σ = 51588505026240. Its totient is φ = 4081727868480.

The previous prime is 16156839482809. The next prime is 16156839482837. The reversal of 16156839482820 is 2828493865161.

16156839482820 is a `hidden beast` number, since 1 + 6 + 1 + 56 + 83 + 9 + 482 + 8 + 20 = 666.

It is a super-2 number, since 2×16156839482820² (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 23 ways as a sum of consecutive naturals, for example, 2362107616 + ... + 2362114455.

Almost surely, 2^{16156839482820} is an apocalyptic number.

16156839482820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16156839482820 is an abundant number, since it is smaller than the sum of its proper divisors (35431665543420).

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

16156839482820 is a wasteful number, since it uses less digits than its factorization.

16156839482820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724222105 (or 4724222100 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 63.

The spelling of 16156839482820 in words is "sixteen trillion, one hundred fifty-six billion, eight hundred thirty-nine million, four hundred eighty-two thousand, eight hundred twenty".