15679630064 has 40 divisors (see below), whose sum is σ = 34901004288. Its totient is φ = 6684649920.

The previous prime is 15679630063. The next prime is 15679630103. The reversal of 15679630064 is 46003697651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15679630063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345092 + ... + 387875.

Almost surely, 2^15679630064 is an apocalyptic number.

15679630064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15679630064 is an abundant number, since it is smaller than the sum of its proper divisors (19221374224).

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

15679630064 is a wasteful number, since it uses less digits than its factorization.

15679630064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733173 (or 733167 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 15679630064 in words is "fifteen billion, six hundred seventy-nine million, six hundred thirty thousand, sixty-four".