15468746868 has 36 divisors (see below), whose sum is σ = 41159532960. Its totient is φ = 4884867216.

The previous prime is 15468746851. The next prime is 15468746929. The reversal of 15468746868 is 86864786451.

15468746868 is a `hidden beast` number, since 1 + 54 + 68 + 7 + 468 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11306880 + ... + 11308247.

It is an arithmetic number, because the mean of its divisors is an integer number (1143320360).

Almost surely, 2^15468746868 is an apocalyptic number.

15468746868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

15468746868 is an abundant number, since it is smaller than the sum of its proper divisors (25690786092).

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

15468746868 is a wasteful number, since it uses less digits than its factorization.

15468746868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22615156 (or 22615151 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 15468746868 in words is "fifteen billion, four hundred sixty-eight million, seven hundred forty-six thousand, eight hundred sixty-eight".