615644563134116 has 24 divisors (see below), whose sum is σ = 1115208878816256. Its totient is φ = 297144470982240.

The previous prime is 615644563134061. The next prime is 615644563134127. The reversal of 615644563134116 is 611431365446516.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16376991290 + ... + 16377028881.

It is an arithmetic number, because the mean of its divisors is an integer number (46467036617344).

Almost surely, 2^{615644563134116} is an apocalyptic number.

It is an amenable number.

615644563134116 is a deficient number, since it is larger than the sum of its proper divisors (499564315682140).

615644563134116 is a wasteful number, since it uses less digits than its factorization.

615644563134116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32754020339 (or 32754020337 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 56.

The spelling of 615644563134116 in words is "six hundred fifteen trillion, six hundred forty-four billion, five hundred sixty-three million, one hundred thirty-four thousand, one hundred sixteen".