163511330616425 has 12 divisors (see below), whose sum is σ = 221186236325136. Its totient is φ = 118917331357200.

The previous prime is 163511330616379. The next prime is 163511330616481. The reversal of 163511330616425 is 524616033115361.

163511330616425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163511330616425 - 2²⁶ = 163511263507561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163511330616425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297293328119 + ... + 297293328668.

It is an arithmetic number, because the mean of its divisors is an integer number (18432186360428).

Almost surely, 2^{163511330616425} is an apocalyptic number.

It is an amenable number.

163511330616425 is a deficient number, since it is larger than the sum of its proper divisors (57674905708711).

163511330616425 is a wasteful number, since it uses less digits than its factorization.

163511330616425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594586656808 (or 594586656803 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 163511330616425 in words is "one hundred sixty-three trillion, five hundred eleven billion, three hundred thirty million, six hundred sixteen thousand, four hundred twenty-five".