163641462616444 has 48 divisors (see below), whose sum is σ = 291931905879936. Its totient is φ = 80234007796800.

The previous prime is 163641462616439. The next prime is 163641462616481. The reversal of 163641462616444 is 444616264146361.

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, 4877959279 + ... + 4877992825.

It is an arithmetic number, because the mean of its divisors is an integer number (6081914705832).

Almost surely, 2^{163641462616444} is an apocalyptic number.

It is an amenable number.

163641462616444 is a deficient number, since it is larger than the sum of its proper divisors (128290443263492).

163641462616444 is a wasteful number, since it uses less digits than its factorization.

163641462616444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45226 (or 45224 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 58.

The spelling of 163641462616444 in words is "one hundred sixty-three trillion, six hundred forty-one billion, four hundred sixty-two million, six hundred sixteen thousand, four hundred forty-four".