816136092 has 18 divisors (see below), whose sum is σ = 2063010768. Its totient is φ = 272045352.

The previous prime is 816136091. The next prime is 816136099. The reversal of 816136092 is 290631618.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 22670447 = 816136092 / (8 + 1 + 6 + 1 + 3 + 6 + 0 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816136091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11335188 + ... + 11335259.

Almost surely, 2^816136092 is an apocalyptic number.

It is an amenable number.

816136092 is an abundant number, since it is smaller than the sum of its proper divisors (1246874676).

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

816136092 is a wasteful number, since it uses less digits than its factorization.

816136092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22670457 (or 22670452 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 816136092 is about 28568.0957013239. The cubic root of 816136092 is about 934.5176926657.

It can be divided in two parts, 8161 and 36092, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 816136092 in words is "eight hundred sixteen million, one hundred thirty-six thousand, ninety-two".