613668156 has 48 divisors (see below), whose sum is σ = 1544040960. Its totient is φ = 189060480.

The previous prime is 613668151. The next prime is 613668161. The reversal of 613668156 is 651866316.

613668156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (613668151) and next prime (613668161).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613668151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23476 + ... + 42171.

It is an arithmetic number, because the mean of its divisors is an integer number (32167520).

Almost surely, 2^613668156 is an apocalyptic number.

It is an amenable number.

613668156 is an abundant number, since it is smaller than the sum of its proper divisors (930372804).

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

613668156 is a wasteful number, since it uses less digits than its factorization.

613668156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65714 (or 65712 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 613668156 is about 24772.3264147718. The cubic root of 613668156 is about 849.7891777033.

The spelling of 613668156 in words is "six hundred thirteen million, six hundred sixty-eight thousand, one hundred fifty-six".