15266461664 has 24 divisors (see below), whose sum is σ = 30868168968. Its totient is φ = 7426926720.

The previous prime is 15266461597. The next prime is 15266461667. The reversal of 15266461664 is 46616466251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15266461667) 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, 6445802 + ... + 6448169.

It is an arithmetic number, because the mean of its divisors is an integer number (1286173707).

Almost surely, 2^15266461664 is an apocalyptic number.

It is an amenable number.

15266461664 is an abundant number, since it is smaller than the sum of its proper divisors (15601707304).

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

15266461664 is a wasteful number, since it uses less digits than its factorization.

15266461664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12894018 (or 12894010 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 47.

The spelling of 15266461664 in words is "fifteen billion, two hundred sixty-six million, four hundred sixty-one thousand, six hundred sixty-four".