117157061667 has 4 divisors (see below), whose sum is σ = 156209415560. Its totient is φ = 78104707776.

The previous prime is 117157061663. The next prime is 117157061689. The reversal of 117157061667 is 766160751711.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 117157061667 - 2² = 117157061663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117157061663) 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, 19526176942 + ... + 19526176947.

It is an arithmetic number, because the mean of its divisors is an integer number (39052353890).

Almost surely, 2^117157061667 is an apocalyptic number.

117157061667 is a deficient number, since it is larger than the sum of its proper divisors (39052353893).

117157061667 is an equidigital number, since it uses as much as digits as its factorization.

117157061667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39052353892.

The product of its (nonzero) digits is 370440, while the sum is 48.

The spelling of 117157061667 in words is "one hundred seventeen billion, one hundred fifty-seven million, sixty-one thousand, six hundred sixty-seven".