916273198722 has 64 divisors (see below), whose sum is σ = 2151556210944. Its totient is φ = 254644197120.

The previous prime is 916273198699. The next prime is 916273198783. The reversal of 916273198722 is 227891372619.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5482548 + ... + 5647200.

It is an arithmetic number, because the mean of its divisors is an integer number (33618065796).

Almost surely, 2^916273198722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 916273198722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075778105472).

916273198722 is an abundant number, since it is smaller than the sum of its proper divisors (1235283012222).

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

916273198722 is a wasteful number, since it uses less digits than its factorization.

916273198722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168283.

The product of its digits is 4572288, while the sum is 57.

The spelling of 916273198722 in words is "nine hundred sixteen billion, two hundred seventy-three million, one hundred ninety-eight thousand, seven hundred twenty-two".