15699493164 has 12 divisors (see below), whose sum is σ = 36632150744. Its totient is φ = 5233164384.

The previous prime is 15699493151. The next prime is 15699493169. The reversal of 15699493164 is 46139499651.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (15699493169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654145537 + ... + 654145560.

Almost surely, 2^15699493164 is an apocalyptic number.

It is an amenable number.

15699493164 is an abundant number, since it is smaller than the sum of its proper divisors (20932657580).

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

15699493164 is a wasteful number, since it uses less digits than its factorization.

15699493164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308291104 (or 1308291102 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 57.

The spelling of 15699493164 in words is "fifteen billion, six hundred ninety-nine million, four hundred ninety-three thousand, one hundred sixty-four".