220546304146464 has 24 divisors (see below), whose sum is σ = 578934048384720. Its totient is φ = 73515434715456.

The previous prime is 220546304146451. The next prime is 220546304146517. The reversal of 220546304146464 is 464641403645022.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148678667334 + ... + 1148678667525.

It is an arithmetic number, because the mean of its divisors is an integer number (24122252016030).

Almost surely, 2^{220546304146464} is an apocalyptic number.

220546304146464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220546304146464 is an abundant number, since it is smaller than the sum of its proper divisors (358387744238256).

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

220546304146464 is a wasteful number, since it uses less digits than its factorization.

220546304146464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297357334872 (or 2297357334864 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 51.

The spelling of 220546304146464 in words is "two hundred twenty trillion, five hundred forty-six billion, three hundred four million, one hundred forty-six thousand, four hundred sixty-four".