6398161453832 has 32 divisors (see below), whose sum is σ = 12333933597720. Its totient is φ = 3109297052160.

The previous prime is 6398161453829. The next prime is 6398161453847. The reversal of 6398161453832 is 2383541618936.

It can be written as a sum of positive squares in 4 ways, for example, as 3992827218436 + 2405334235396 = 1998206^2 + 1550914^2 .

It is a super-2 number, since 2×6398161453832² (a number of 26 digits) contains 22 as substring.

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, 11257019 + ... + 11811722.

Almost surely, 2^{6398161453832} is an apocalyptic number.

It is an amenable number.

6398161453832 is a deficient number, since it is larger than the sum of its proper divisors (5935772143888).

6398161453832 is a wasteful number, since it uses less digits than its factorization.

6398161453832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23069721 (or 23069717 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 59.

The spelling of 6398161453832 in words is "six trillion, three hundred ninety-eight billion, one hundred sixty-one million, four hundred fifty-three thousand, eight hundred thirty-two".