163506054476 has 12 divisors (see below), whose sum is σ = 286312342680. Its totient is φ = 81702528000.

The previous prime is 163506054391. The next prime is 163506054533. The reversal of 163506054476 is 674450605361.

It is a self number, because there is not a number n which added to its sum of digits gives 163506054476.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12617525 + ... + 12630476.

It is an arithmetic number, because the mean of its divisors is an integer number (23859361890).

Almost surely, 2^163506054476 is an apocalyptic number.

It is an amenable number.

163506054476 is a deficient number, since it is larger than the sum of its proper divisors (122806288204).

163506054476 is a wasteful number, since it uses less digits than its factorization.

163506054476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25249624 (or 25249622 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 163506054476 in words is "one hundred sixty-three billion, five hundred six million, fifty-four thousand, four hundred seventy-six".