16115565330 has 32 divisors (see below), whose sum is σ = 42974841600. Its totient is φ = 4297484016.

The previous prime is 16115565313. The next prime is 16115565359. The reversal of 16115565330 is 3356551161.

16115565330 is a `hidden beast` number, since 1 + 6 + 115 + 5 + 6 + 533 + 0 = 666.

It is a super-2 number, since 2×16115565330² (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 15 ways as a sum of consecutive naturals, for example, 29843370 + ... + 29843909.

It is an arithmetic number, because the mean of its divisors is an integer number (1342963800).

Almost surely, 2^16115565330 is an apocalyptic number.

16115565330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16115565330 is an abundant number, since it is smaller than the sum of its proper divisors (26859276270).

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

16115565330 is a wasteful number, since it uses less digits than its factorization.

16115565330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59687295 (or 59687289 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 16115565330 in words is "sixteen billion, one hundred fifteen million, five hundred sixty-five thousand, three hundred thirty".