163501046664445 has 16 divisors (see below), whose sum is σ = 225082592444160. Its totient is φ = 111688710632064.

The previous prime is 163501046664413. The next prime is 163501046664479. The reversal of 163501046664445 is 544466640105361.

It is a cyclic number.

It is not a de Polignac number, because 163501046664445 - 2⁵ = 163501046664413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8881090560 + ... + 8881108969.

It is an arithmetic number, because the mean of its divisors is an integer number (14067662027760).

Almost surely, 2^{163501046664445} is an apocalyptic number.

It is an amenable number.

163501046664445 is a deficient number, since it is larger than the sum of its proper divisors (61581545779715).

163501046664445 is a wasteful number, since it uses less digits than its factorization.

163501046664445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17762199804.

The product of its (nonzero) digits is 24883200, while the sum is 55.

The spelling of 163501046664445 in words is "one hundred sixty-three trillion, five hundred one billion, forty-six million, six hundred sixty-four thousand, four hundred forty-five".