163636430520004 has 48 divisors (see below), whose sum is σ = 309802586923648. Its totient is φ = 75179655353088.

The previous prime is 163636430519977. The next prime is 163636430520029. The reversal of 163636430520004 is 400025034636361.

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, 4918039 + ... + 18747265.

Almost surely, 2^{163636430520004} is an apocalyptic number.

It is an amenable number.

163636430520004 is a deficient number, since it is larger than the sum of its proper divisors (146166156403644).

163636430520004 is a wasteful number, since it uses less digits than its factorization.

163636430520004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13830284 (or 13830282 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 163636430520004 in words is "one hundred sixty-three trillion, six hundred thirty-six billion, four hundred thirty million, five hundred twenty thousand, four".