15655666060 has 12 divisors (see below), whose sum is σ = 32876898768. Its totient is φ = 6262266416.

The previous prime is 15655666057. The next prime is 15655666063. The reversal of 15655666060 is 6066655651.

It is an interprime number because it is at equal distance from previous prime (15655666057) and next prime (15655666063).

It is a self number, because there is not a number n which added to its sum of digits gives 15655666060.

It is not an unprimeable number, because it can be changed into a prime (15655666063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391391632 + ... + 391391671.

It is an arithmetic number, because the mean of its divisors is an integer number (2739741564).

Almost surely, 2^15655666060 is an apocalyptic number.

15655666060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15655666060 is an abundant number, since it is smaller than the sum of its proper divisors (17221232708).

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

15655666060 is a wasteful number, since it uses less digits than its factorization.

15655666060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782783312 (or 782783310 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 15655666060 in words is "fifteen billion, six hundred fifty-five million, six hundred sixty-six thousand, sixty".