69638432616 has 96 divisors (see below), whose sum is σ = 205883714400. Its totient is φ = 21991072320.

The previous prime is 69638432587. The next prime is 69638432629. The reversal of 69638432616 is 61623483696.

It is a super-2 number, since 2×69638432616² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 905755 + ... + 979626.

It is an arithmetic number, because the mean of its divisors is an integer number (2144622025).

Almost surely, 2^69638432616 is an apocalyptic number.

It is an amenable number.

69638432616 is an abundant number, since it is smaller than the sum of its proper divisors (136245281784).

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

69638432616 is a wasteful number, since it uses less digits than its factorization.

69638432616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885421 (or 1885405 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

It can be divided in two parts, 696384 and 32616, that added together give a cube (729000 = 90³).

The spelling of 69638432616 in words is "sixty-nine billion, six hundred thirty-eight million, four hundred thirty-two thousand, six hundred sixteen".