8190690615 has 12 divisors (see below), whose sum is σ = 14197197144. Its totient is φ = 4368368304.

The previous prime is 8190690553. The next prime is 8190690617. The reversal of 8190690615 is 5160960918.

It is not a de Polignac number, because 8190690615 - 2⁸ = 8190690359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 182015347 = 8190690615 / (8 + 1 + 9 + 0 + 6 + 9 + 0 + 6 + 1 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8190690617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91007629 + ... + 91007718.

It is an arithmetic number, because the mean of its divisors is an integer number (1183099762).

Almost surely, 2^8190690615 is an apocalyptic number.

8190690615 is a deficient number, since it is larger than the sum of its proper divisors (6006506529).

8190690615 is a wasteful number, since it uses less digits than its factorization.

8190690615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182015358 (or 182015355 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 8190690615 is about 90502.4343042771. The cubic root of 8190690615 is about 2015.7662703509.

The spelling of 8190690615 in words is "eight billion, one hundred ninety million, six hundred ninety thousand, six hundred fifteen".