715401668166 has 16 divisors (see below), whose sum is σ = 1430820500544. Its totient is φ = 238464362024.

The previous prime is 715401668161. The next prime is 715401668167. The reversal of 715401668166 is 661866104517.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715401668161) 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, 137436 + ... + 1204031.

It is an arithmetic number, because the mean of its divisors is an integer number (89426281284).

Almost surely, 2^715401668166 is an apocalyptic number.

715401668166 is an abundant number, since it is smaller than the sum of its proper divisors (715418832378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

715401668166 is a wasteful number, since it uses less digits than its factorization.

715401668166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430355.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 715401668166 in words is "seven hundred fifteen billion, four hundred one million, six hundred sixty-eight thousand, one hundred sixty-six".