613157251616 has 96 divisors (see below), whose sum is σ = 1536959370240. Its totient is φ = 234203268096.

The previous prime is 613157251583. The next prime is 613157251627. The reversal of 613157251616 is 616152751316.

It is a super-2 number, since 2×613157251616² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3545936 + ... + 3714831.

It is an arithmetic number, because the mean of its divisors is an integer number (16009993440).

Almost surely, 2^613157251616 is an apocalyptic number.

It is an amenable number.

613157251616 is an abundant number, since it is smaller than the sum of its proper divisors (923802118624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613157251616 is a wasteful number, since it uses less digits than its factorization.

613157251616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260826 (or 7260818 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The spelling of 613157251616 in words is "six hundred thirteen billion, one hundred fifty-seven million, two hundred fifty-one thousand, six hundred sixteen".