163566072404 has 12 divisors (see below), whose sum is σ = 327132144864. Its totient is φ = 70099745304.

The previous prime is 163566072401. The next prime is 163566072443. The reversal of 163566072404 is 404270665361.

163566072404 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163566072401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2920822694 + ... + 2920822749.

It is an arithmetic number, because the mean of its divisors is an integer number (27261012072).

Almost surely, 2^163566072404 is an apocalyptic number.

163566072404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

163566072404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163566072404 is a wasteful number, since it uses less digits than its factorization.

163566072404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841645454 (or 5841645452 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 163566072404 in words is "one hundred sixty-three billion, five hundred sixty-six million, seventy-two thousand, four hundred four".