163604405540452 has 12 divisors (see below), whose sum is σ = 287132803962480. Its totient is φ = 81566461551176.

The previous prime is 163604405540447. The next prime is 163604405540453. The reversal of 163604405540452 is 254045504406361.

163604405540452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 163604405540396 and 163604405540405.

It is not an unprimeable number, because it can be changed into a prime (163604405540453) 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, 58935303202 + ... + 58935305977.

It is an arithmetic number, because the mean of its divisors is an integer number (23927733663540).

Almost surely, 2^{163604405540452} is an apocalyptic number.

It is an amenable number.

163604405540452 is a deficient number, since it is larger than the sum of its proper divisors (123528398422028).

163604405540452 is a wasteful number, since it uses less digits than its factorization.

163604405540452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117870609530 (or 117870609528 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 163604405540452 in words is "one hundred sixty-three trillion, six hundred four billion, four hundred five million, five hundred forty thousand, four hundred fifty-two".