73055222163 has 80 divisors (see below), whose sum is σ = 138955981824. Its totient is φ = 37143152640.

The previous prime is 73055222159. The next prime is 73055222203. The reversal of 73055222163 is 36122255037.

73055222163 is a `hidden beast` number, since 73 + 0 + 5 + 522 + 2 + 1 + 63 = 666.

It is not a de Polignac number, because 73055222163 - 2² = 73055222159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73055222363) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 168531 + ... + 417747.

Almost surely, 2^73055222163 is an apocalyptic number.

73055222163 is a deficient number, since it is larger than the sum of its proper divisors (65900759661).

73055222163 is a wasteful number, since it uses less digits than its factorization.

73055222163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249294 (or 249285 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 73055222163 in words is "seventy-three billion, fifty-five million, two hundred twenty-two thousand, one hundred sixty-three".