163516613542 has 32 divisors (see below), whose sum is σ = 264539407680. Its totient is φ = 75521479680.

The previous prime is 163516613537. The next prime is 163516613573. The reversal of 163516613542 is 245316615361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861559 + ... + 1034077.

It is an arithmetic number, because the mean of its divisors is an integer number (8266856490).

Almost surely, 2^163516613542 is an apocalyptic number.

163516613542 is a deficient number, since it is larger than the sum of its proper divisors (101022794138).

163516613542 is a wasteful number, since it uses less digits than its factorization.

163516613542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173056.

The product of its digits is 388800, while the sum is 43.

The spelling of 163516613542 in words is "one hundred sixty-three billion, five hundred sixteen million, six hundred thirteen thousand, five hundred forty-two".