816575196 has 12 divisors (see below), whose sum is σ = 1905342152. Its totient is φ = 272191728.

The previous prime is 816575183. The next prime is 816575209. The reversal of 816575196 is 691575618.

It is an interprime number because it is at equal distance from previous prime (816575183) and next prime (816575209).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34023955 + ... + 34023978.

Almost surely, 2^816575196 is an apocalyptic number.

It is an amenable number.

816575196 is an abundant number, since it is smaller than the sum of its proper divisors (1088766956).

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

816575196 is a wasteful number, since it uses less digits than its factorization.

816575196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68047940 (or 68047938 counting only the distinct ones).

The product of its digits is 453600, while the sum is 48.

The square root of 816575196 is about 28575.7798843706. The cubic root of 816575196 is about 934.6852614857.

The spelling of 816575196 in words is "eight hundred sixteen million, five hundred seventy-five thousand, one hundred ninety-six".