168079705901 has 4 divisors (see below), whose sum is σ = 168080528832. Its totient is φ = 168078882972.

The previous prime is 168079705897. The next prime is 168079705903. The reversal of 168079705901 is 109507970861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 168079705901 - 2² = 168079705897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168079705903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153260 + ... + 599706.

It is an arithmetic number, because the mean of its divisors is an integer number (42020132208).

Almost surely, 2^168079705901 is an apocalyptic number.

It is an amenable number.

168079705901 is a deficient number, since it is larger than the sum of its proper divisors (822931).

168079705901 is an equidigital number, since it uses as much as digits as its factorization.

168079705901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822930.

The product of its (nonzero) digits is 952560, while the sum is 53.

The spelling of 168079705901 in words is "one hundred sixty-eight billion, seventy-nine million, seven hundred five thousand, nine hundred one".