12167517660 has 24 divisors (see below), whose sum is σ = 34069049616. Its totient is φ = 3244671360.

The previous prime is 12167517613. The next prime is 12167517679. The reversal of 12167517660 is 6671576121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101395921 + ... + 101396040.

It is an arithmetic number, because the mean of its divisors is an integer number (1419543734).

Almost surely, 2^12167517660 is an apocalyptic number.

12167517660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12167517660 is an abundant number, since it is smaller than the sum of its proper divisors (21901531956).

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

12167517660 is a wasteful number, since it uses less digits than its factorization.

12167517660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202791973 (or 202791971 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 12167517660 in words is "twelve billion, one hundred sixty-seven million, five hundred seventeen thousand, six hundred sixty".