15915484654 has 16 divisors (see below), whose sum is σ = 24033787200. Its totient is φ = 7904391264.

The previous prime is 15915484603. The next prime is 15915484789. The reversal of 15915484654 is 45648451951.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147832 + ... + 231700.

It is an arithmetic number, because the mean of its divisors is an integer number (1502111700).

Almost surely, 2^15915484654 is an apocalyptic number.

15915484654 is a deficient number, since it is larger than the sum of its proper divisors (8118302546).

15915484654 is a wasteful number, since it uses less digits than its factorization.

15915484654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84507.

The product of its digits is 3456000, while the sum is 52.

The spelling of 15915484654 in words is "fifteen billion, nine hundred fifteen million, four hundred eighty-four thousand, six hundred fifty-four".