19597107906552 has 64 divisors (see below), whose sum is σ = 53975832831360. Its totient is φ = 5879720336000.

The previous prime is 19597107906547. The next prime is 19597107906703. The reversal of 19597107906552 is 25560970179591.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367455858 + ... + 367509185.

It is an arithmetic number, because the mean of its divisors is an integer number (843372387990).

Almost surely, 2^{19597107906552} is an apocalyptic number.

19597107906552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19597107906552 is an abundant number, since it is smaller than the sum of its proper divisors (34378724924808).

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

19597107906552 is a wasteful number, since it uses less digits than its factorization.

19597107906552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734965164 (or 734965160 counting only the distinct ones).

The product of its (nonzero) digits is 53581500, while the sum is 66.

The spelling of 19597107906552 in words is "nineteen trillion, five hundred ninety-seven billion, one hundred seven million, nine hundred six thousand, five hundred fifty-two".