618344712 has 64 divisors (see below), whose sum is σ = 1731225600. Its totient is φ = 204482880.

The previous prime is 618344669. The next prime is 618344743. The reversal of 618344712 is 217443816.

618344712 is a `hidden beast` number, since 6 + 183 + 4 + 471 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 16162 + ... + 38702.

It is an arithmetic number, because the mean of its divisors is an integer number (27050400).

Almost surely, 2^618344712 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 618344712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865612800).

618344712 is an abundant number, since it is smaller than the sum of its proper divisors (1112880888).

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

618344712 is a wasteful number, since it uses less digits than its factorization.

618344712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22683 (or 22673 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 618344712 is about 24866.5379978798. The cubic root of 618344712 is about 851.9423686469.

The spelling of 618344712 in words is "six hundred eighteen million, three hundred forty-four thousand, seven hundred twelve".