16169625856 has 36 divisors (see below), whose sum is σ = 32290433392. Its totient is φ = 8081220096.

The previous prime is 16169625847. The next prime is 16169625883. The reversal of 16169625856 is 65852696161.

It is a super-2 number, since 2×16169625856² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16169625797 and 16169625806.

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, 618751 + ... + 644353.

Almost surely, 2^16169625856 is an apocalyptic number.

16169625856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16169625856 is a deficient number, since it is larger than the sum of its proper divisors (16120807536).

16169625856 is an equidigital number, since it uses as much as digits as its factorization.

16169625856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28086 (or 28072 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 55.

The spelling of 16169625856 in words is "sixteen billion, one hundred sixty-nine million, six hundred twenty-five thousand, eight hundred fifty-six".