610515666116 has 6 divisors (see below), whose sum is σ = 1068402415710. Its totient is φ = 305257833056.

The previous prime is 610515666109. The next prime is 610515666161. The reversal of 610515666116 is 611666515016.

It can be written as a sum of positive squares in only one way, i.e., 494425547716 + 116090118400 = 703154^2 + 340720^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76314458261 + ... + 76314458268.

It is an arithmetic number, because the mean of its divisors is an integer number (178067069285).

Almost surely, 2^610515666116 is an apocalyptic number.

It is an amenable number.

610515666116 is a deficient number, since it is larger than the sum of its proper divisors (457886749594).

610515666116 is a wasteful number, since it uses less digits than its factorization.

610515666116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152628916533 (or 152628916531 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 610515666116 in words is "six hundred ten billion, five hundred fifteen million, six hundred sixty-six thousand, one hundred sixteen".