12597166240 has 48 divisors (see below), whose sum is σ = 31054762368. Its totient is φ = 4819783936.

The previous prime is 12597166223. The next prime is 12597166289. The reversal of 12597166240 is 4266179521.

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, 1707892 + ... + 1715251.

It is an arithmetic number, because the mean of its divisors is an integer number (646974216).

Almost surely, 2^12597166240 is an apocalyptic number.

12597166240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12597166240 is an abundant number, since it is smaller than the sum of its proper divisors (18457596128).

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

12597166240 is a wasteful number, since it uses less digits than its factorization.

12597166240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423181 (or 3423173 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 12597166240 in words is "twelve billion, five hundred ninety-seven million, one hundred sixty-six thousand, two hundred forty".