63550445164 has 12 divisors (see below), whose sum is σ = 111339520488. Its totient is φ = 31739153600.

The previous prime is 63550445141. The next prime is 63550445183. The reversal of 63550445164 is 46154405536.

It is a super-3 number, since 3×63550445164³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63550445164.

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, 9013282 + ... + 9020329.

It is an arithmetic number, because the mean of its divisors is an integer number (9278293374).

Almost surely, 2^63550445164 is an apocalyptic number.

It is an amenable number.

63550445164 is a deficient number, since it is larger than the sum of its proper divisors (47789075324).

63550445164 is a wasteful number, since it uses less digits than its factorization.

63550445164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18034496 (or 18034494 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 63550445164 in words is "sixty-three billion, five hundred fifty million, four hundred forty-five thousand, one hundred sixty-four".