15346121664 has 56 divisors (see below), whose sum is σ = 41209333888. Its totient is φ = 5039020800.

The previous prime is 15346121641. The next prime is 15346121711. The reversal of 15346121664 is 46612164351.

15346121664 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 7 ways as a sum of consecutive naturals, for example, 583612 + ... + 609339.

Almost surely, 2^15346121664 is an apocalyptic number.

It is an amenable number.

15346121664 is an abundant number, since it is smaller than the sum of its proper divisors (25863212224).

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

15346121664 is a wasteful number, since it uses less digits than its factorization.

15346121664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193033 (or 1193023 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The spelling of 15346121664 in words is "fifteen billion, three hundred forty-six million, one hundred twenty-one thousand, six hundred sixty-four".