2164563330402 has 32 divisors (see below), whose sum is σ = 4766011018560. Its totient is φ = 649910589120.

The previous prime is 2164563330379. The next prime is 2164563330431. The reversal of 2164563330402 is 2040333654612.

It is a super-2 number, since 2×2164563330402² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150435073 + ... + 150449460.

It is an arithmetic number, because the mean of its divisors is an integer number (148937844330).

Almost surely, 2^{2164563330402} is an apocalyptic number.

2164563330402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2164563330402 is an abundant number, since it is smaller than the sum of its proper divisors (2601447688158).

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

2164563330402 is a wasteful number, since it uses less digits than its factorization.

2164563330402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300884658.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 2164563330402 in words is "two trillion, one hundred sixty-four billion, five hundred sixty-three million, three hundred thirty thousand, four hundred two".