613660066316 has 36 divisors (see below), whose sum is σ = 1180485156984. Its totient is φ = 278918185920.

The previous prime is 613660066291. The next prime is 613660066321.

It is a happy number.

613660066316 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9792515 + ... + 9854981.

Almost surely, 2^613660066316 is an apocalyptic number.

It is an amenable number.

613660066316 is a deficient number, since it is larger than the sum of its proper divisors (566825090668).

613660066316 is a wasteful number, since it uses less digits than its factorization.

613660066316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82790 (or 82777 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 44.

The spelling of 613660066316 in words is "six hundred thirteen billion, six hundred sixty million, sixty-six thousand, three hundred sixteen".