68163135051 has 8 divisors (see below), whose sum is σ = 99146378304. Its totient is φ = 41310990920.

The previous prime is 68163134989. The next prime is 68163135059. The reversal of 68163135051 is 15053136186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68163135051 - 2⁶ = 68163134987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68163135059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032774741 + ... + 1032774806.

It is an arithmetic number, because the mean of its divisors is an integer number (12393297288).

Almost surely, 2^68163135051 is an apocalyptic number.

68163135051 is a deficient number, since it is larger than the sum of its proper divisors (30983243253).

68163135051 is a wasteful number, since it uses less digits than its factorization.

68163135051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065549561.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 68163135051 in words is "sixty-eight billion, one hundred sixty-three million, one hundred thirty-five thousand, fifty-one".