15161660564 has 24 divisors (see below), whose sum is σ = 26801331648. Its totient is φ = 7504197120.

The previous prime is 15161660561. The next prime is 15161660567. The reversal of 15161660564 is 46506616151.

It is an interprime number because it is at equal distance from previous prime (15161660561) and next prime (15161660567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15161660561) 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, 1286579 + ... + 1298309.

It is an arithmetic number, because the mean of its divisors is an integer number (1116722152).

Almost surely, 2^15161660564 is an apocalyptic number.

It is an amenable number.

15161660564 is a deficient number, since it is larger than the sum of its proper divisors (11639671084).

15161660564 is a wasteful number, since it uses less digits than its factorization.

15161660564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14975 (or 14973 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 15161660564 in words is "fifteen billion, one hundred sixty-one million, six hundred sixty thousand, five hundred sixty-four".