164450162622555 has 48 divisors (see below), whose sum is σ = 285904508797440. Its totient is φ = 87443023950144.

The previous prime is 164450162622541. The next prime is 164450162622593. The reversal of 164450162622555 is 555226261054461.

164450162622555 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 5 + 0 + 1 + 6 + 2 + 622 + 5 + 5 + 5 = 666.

It is not a de Polignac number, because 164450162622555 - 2⁴ = 164450162622539 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57039744 + ... + 59853426.

It is an arithmetic number, because the mean of its divisors is an integer number (5956343933280).

Almost surely, 2^{164450162622555} is an apocalyptic number.

164450162622555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164450162622555 is a deficient number, since it is larger than the sum of its proper divisors (121454346174885).

164450162622555 is a wasteful number, since it uses less digits than its factorization.

164450162622555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817600 (or 2817597 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 54.

The spelling of 164450162622555 in words is "one hundred sixty-four trillion, four hundred fifty billion, one hundred sixty-two million, six hundred twenty-two thousand, five hundred fifty-five".