15913441464 has 128 divisors (see below), whose sum is σ = 42662246400. Its totient is φ = 4928983040.

The previous prime is 15913441441. The next prime is 15913441471. The reversal of 15913441464 is 46414431951.

15913441464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20910844 + ... + 20911604.

It is an arithmetic number, because the mean of its divisors is an integer number (333298800).

Almost surely, 2^15913441464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15913441464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21331123200).

15913441464 is an abundant number, since it is smaller than the sum of its proper divisors (26748804936).

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

15913441464 is a wasteful number, since it uses less digits than its factorization.

15913441464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1369 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The spelling of 15913441464 in words is "fifteen billion, nine hundred thirteen million, four hundred forty-one thousand, four hundred sixty-four".