15241868660 has 12 divisors (see below), whose sum is σ = 32007924228. Its totient is φ = 6096747456.

The previous prime is 15241868641. The next prime is 15241868753. The reversal of 15241868660 is 6686814251.

It can be written as a sum of positive squares in 2 ways, for example, as 8485357456 + 6756511204 = 92116^2 + 82198^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381046697 + ... + 381046736.

It is an arithmetic number, because the mean of its divisors is an integer number (2667327019).

Almost surely, 2^15241868660 is an apocalyptic number.

15241868660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15241868660 is an abundant number, since it is smaller than the sum of its proper divisors (16766055568).

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

15241868660 is a wasteful number, since it uses less digits than its factorization.

15241868660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762093442 (or 762093440 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 15241868660 in words is "fifteen billion, two hundred forty-one million, eight hundred sixty-eight thousand, six hundred sixty".