16123620072 has 32 divisors (see below), whose sum is σ = 46067486400. Its totient is φ = 4606748544.

The previous prime is 16123620053. The next prime is 16123620167. The reversal of 16123620072 is 27002632161.

It is a super-2 number, since 2×16123620072² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47986797 + ... + 47987132.

It is an arithmetic number, because the mean of its divisors is an integer number (1439608950).

Almost surely, 2^16123620072 is an apocalyptic number.

16123620072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16123620072 is an abundant number, since it is smaller than the sum of its proper divisors (29943866328).

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

16123620072 is a wasteful number, since it uses less digits than its factorization.

16123620072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95973945 (or 95973941 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 16123620072 in words is "sixteen billion, one hundred twenty-three million, six hundred twenty thousand, seventy-two".