816190160723 has 16 divisors (see below), whose sum is σ = 937293534720. Its totient is φ = 696220929600.

The previous prime is 816190160719. The next prime is 816190160783. The reversal of 816190160723 is 327061091618.

It is not a de Polignac number, because 816190160723 - 2² = 816190160719 is a prime.

It is a super-2 number, since 2×816190160723² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (816190160783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903143 + ... + 1564623.

It is an arithmetic number, because the mean of its divisors is an integer number (58580845920).

Almost surely, 2^816190160723 is an apocalyptic number.

816190160723 is a deficient number, since it is larger than the sum of its proper divisors (121103373997).

816190160723 is a wasteful number, since it uses less digits than its factorization.

816190160723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662338.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 816190160723 in words is "eight hundred sixteen billion, one hundred ninety million, one hundred sixty thousand, seven hundred twenty-three".