168220534464 has 84 divisors (see below), whose sum is σ = 482235676624. Its totient is φ = 56066314752.

The previous prime is 168220534439. The next prime is 168220534499. The reversal of 168220534464 is 464435022861.

168220534464 is a `hidden beast` number, since 16 + 82 + 20 + 534 + 4 + 6 + 4 = 666.

168220534464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6349854 + ... + 6376290.

Almost surely, 2^168220534464 is an apocalyptic number.

It is an amenable number.

168220534464 is an abundant number, since it is smaller than the sum of its proper divisors (314015142160).

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

168220534464 is a wasteful number, since it uses less digits than its factorization.

168220534464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37502 (or 37489 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 168220534464 in words is "one hundred sixty-eight billion, two hundred twenty million, five hundred thirty-four thousand, four hundred sixty-four".