916161980723 has 32 divisors (see below), whose sum is σ = 1114991930880. Its totient is φ = 741921984000.

The previous prime is 916161980719. The next prime is 916161980729. The reversal of 916161980723 is 327089161619.

916161980723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 916161980723 - 2² = 916161980719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (916161980729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3648218 + ... + 3891248.

It is an arithmetic number, because the mean of its divisors is an integer number (34843497840).

Almost surely, 2^916161980723 is an apocalyptic number.

916161980723 is a deficient number, since it is larger than the sum of its proper divisors (198829950157).

916161980723 is a wasteful number, since it uses less digits than its factorization.

916161980723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244139.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 916161980723 in words is "nine hundred sixteen billion, one hundred sixty-one million, nine hundred eighty thousand, seven hundred twenty-three".