615646113 has 16 divisors (see below), whose sum is σ = 864737280. Its totient is φ = 388526544.

The previous prime is 615646111. The next prime is 615646117. The reversal of 615646113 is 311646516.

It is not a de Polignac number, because 615646113 - 2¹ = 615646111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (615646111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86820 + ... + 93642.

It is an arithmetic number, because the mean of its divisors is an integer number (54046080).

Almost surely, 2^615646113 is an apocalyptic number.

It is an amenable number.

615646113 is a deficient number, since it is larger than the sum of its proper divisors (249091167).

615646113 is a wasteful number, since it uses less digits than its factorization.

615646113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8428.

The product of its digits is 12960, while the sum is 33.

The square root of 615646113 is about 24812.2170109807. The cubic root of 615646113 is about 850.7012036238.

The spelling of 615646113 in words is "six hundred fifteen million, six hundred forty-six thousand, one hundred thirteen".