613148368 has 60 divisors (see below), whose sum is σ = 1386345792. Its totient is φ = 261938880.

The previous prime is 613148359. The next prime is 613148377. The reversal of 613148368 is 863841316.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (613148359) and next prime (613148377).

It is a self number, because there is not a number n which added to its sum of digits gives 613148368.

It is a congruent number.

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, 286663 + ... + 288793.

Almost surely, 2^613148368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613148368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693172896).

613148368 is an abundant number, since it is smaller than the sum of its proper divisors (773197424).

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

613148368 is a wasteful number, since it uses less digits than its factorization.

613148368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520 (or 2507 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 613148368 is about 24761.8328885404. The cubic root of 613148368 is about 849.5491810082.

The spelling of 613148368 in words is "six hundred thirteen million, one hundred forty-eight thousand, three hundred sixty-eight".