39099313656 has 160 divisors (see below), whose sum is σ = 118433977200. Its totient is φ = 11980016640.

The previous prime is 39099313651. The next prime is 39099313697. The reversal of 39099313656 is 65631399093.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39099313651) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2020555 + ... + 2039813.

Almost surely, 2^39099313656 is an apocalyptic number.

39099313656 is a gapful number since it is divisible by the number (36) 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 39099313656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59216988600).

39099313656 is an abundant number, since it is smaller than the sum of its proper divisors (79334663544).

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

39099313656 is a wasteful number, since it uses less digits than its factorization.

39099313656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19531 (or 19518 counting only the distinct ones).

The product of its (nonzero) digits is 3542940, while the sum is 54.

The spelling of 39099313656 in words is "thirty-nine billion, ninety-nine million, three hundred thirteen thousand, six hundred fifty-six".