163397501516 has 48 divisors (see below), whose sum is σ = 301226688000. Its totient is φ = 77447173440.

The previous prime is 163397501513. The next prime is 163397501539. The reversal of 163397501516 is 615105793361.

It is not an unprimeable number, because it can be changed into a prime (163397501513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1590551 + ... + 1690161.

It is an arithmetic number, because the mean of its divisors is an integer number (6275556000).

Almost surely, 2^163397501516 is an apocalyptic number.

It is an amenable number.

163397501516 is a deficient number, since it is larger than the sum of its proper divisors (137829186484).

163397501516 is a wasteful number, since it uses less digits than its factorization.

163397501516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99902 (or 99900 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 47.

The spelling of 163397501516 in words is "one hundred sixty-three billion, three hundred ninety-seven million, five hundred one thousand, five hundred sixteen".