16081963172 has 12 divisors (see below), whose sum is σ = 30701929776. Its totient is φ = 7309983240.

The previous prime is 16081963169. The next prime is 16081963181. The reversal of 16081963172 is 27136918061.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 365499163 = 16081963172 / (1 + 6 + 0 + 8 + 1 + 9 + 6 + 3 + 1 + 7 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182749538 + ... + 182749625.

It is an arithmetic number, because the mean of its divisors is an integer number (2558494148).

Almost surely, 2^16081963172 is an apocalyptic number.

It is an amenable number.

16081963172 is a deficient number, since it is larger than the sum of its proper divisors (14619966604).

16081963172 is a wasteful number, since it uses less digits than its factorization.

16081963172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365499178 (or 365499176 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 16081963172 in words is "sixteen billion, eighty-one million, nine hundred sixty-three thousand, one hundred seventy-two".