16038607820 has 24 divisors (see below), whose sum is σ = 33829460784. Its totient is φ = 6387179456.

The previous prime is 16038607811. The next prime is 16038607831. The reversal of 16038607820 is 2870683061.

It is a happy number.

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, 1761827 + ... + 1770906.

It is an arithmetic number, because the mean of its divisors is an integer number (1409560866).

Almost surely, 2^16038607820 is an apocalyptic number.

16038607820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16038607820 is an abundant number, since it is smaller than the sum of its proper divisors (17790852964).

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

16038607820 is a wasteful number, since it uses less digits than its factorization.

16038607820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532969 (or 3532967 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 16038607820 in words is "sixteen billion, thirty-eight million, six hundred seven thousand, eight hundred twenty".