76722516171642 has 16 divisors (see below), whose sum is σ = 167394580738272. Its totient is φ = 23249247324720.

The previous prime is 76722516171611. The next prime is 76722516171647. The reversal of 76722516171642 is 24617161522767.

It is not an unprimeable number, because it can be changed into a prime (76722516171647) 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, 581231183053 + ... + 581231183184.

It is an arithmetic number, because the mean of its divisors is an integer number (10462161296142).

Almost surely, 2^{76722516171642} is an apocalyptic number.

76722516171642 is an abundant number, since it is smaller than the sum of its proper divisors (90672064566630).

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

76722516171642 is a wasteful number, since it uses less digits than its factorization.

76722516171642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162462366253.

The product of its digits is 11854080, while the sum is 57.

The spelling of 76722516171642 in words is "seventy-six trillion, seven hundred twenty-two billion, five hundred sixteen million, one hundred seventy-one thousand, six hundred forty-two".