15166820004 has 24 divisors (see below), whose sum is σ = 40444853568. Its totient is φ = 4333377120.

The previous prime is 15166819981. The next prime is 15166820021. The reversal of 15166820004 is 40002866151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90278607 + ... + 90278774.

It is an arithmetic number, because the mean of its divisors is an integer number (1685202232).

Almost surely, 2^15166820004 is an apocalyptic number.

15166820004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15166820004 is an abundant number, since it is smaller than the sum of its proper divisors (25278033564).

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

15166820004 is a wasteful number, since it uses less digits than its factorization.

15166820004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180557395 (or 180557393 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 15166820004 in words is "fifteen billion, one hundred sixty-six million, eight hundred twenty thousand, four".