12602535660 has 240 divisors, whose sum is σ = 46447121952. Its totient is φ = 2820096000.

The previous prime is 12602535653. The next prime is 12602535677. The reversal of 12602535660 is 6653520621.

It is a happy number.

12602535660 is a `hidden beast` number, since 1 + 2 + 60 + 2 + 535 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 204460 + ... + 258860.

Almost surely, 2^12602535660 is an apocalyptic number.

12602535660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12602535660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23223560976).

12602535660 is an abundant number, since it is smaller than the sum of its proper divisors (33844586292).

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

12602535660 is a wasteful number, since it uses less digits than its factorization.

12602535660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54446 (or 54435 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 12602535660 in words is "twelve billion, six hundred two million, five hundred thirty-five thousand, six hundred sixty".