15154161964 has 48 divisors (see below), whose sum is σ = 28368900000. Its totient is φ = 7058128896.

The previous prime is 15154161943. The next prime is 15154161973. The reversal of 15154161964 is 46916145151.

It is a happy number.

It is a super-2 number, since 2×15154161964² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15154161964.

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, 9596527 + ... + 9598105.

It is an arithmetic number, because the mean of its divisors is an integer number (591018750).

Almost surely, 2^15154161964 is an apocalyptic number.

It is an amenable number.

15154161964 is a deficient number, since it is larger than the sum of its proper divisors (13214738036).

15154161964 is a wasteful number, since it uses less digits than its factorization.

15154161964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962 (or 2960 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The spelling of 15154161964 in words is "fifteen billion, one hundred fifty-four million, one hundred sixty-one thousand, nine hundred sixty-four".