163606254662552 has 32 divisors (see below), whose sum is σ = 330359348272800. Its totient is φ = 75510449973504.

The previous prime is 163606254662551. The next prime is 163606254662573. The reversal of 163606254662552 is 255266452606361.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 163606254662491 and 163606254662500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163606254662551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88489349 + ... + 90319307.

It is an arithmetic number, because the mean of its divisors is an integer number (10323729633525).

Almost surely, 2^{163606254662552} is an apocalyptic number.

It is an amenable number.

163606254662552 is an abundant number, since it is smaller than the sum of its proper divisors (166753093610248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163606254662552 is a wasteful number, since it uses less digits than its factorization.

163606254662552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689635 (or 2689631 counting only the distinct ones).

The product of its (nonzero) digits is 93312000, while the sum is 59.

The spelling of 163606254662552 in words is "one hundred sixty-three trillion, six hundred six billion, two hundred fifty-four million, six hundred sixty-two thousand, five hundred fifty-two".