618369945132 has 48 divisors (see below), whose sum is σ = 1445370312960. Its totient is φ = 205765455168.

The previous prime is 618369945059. The next prime is 618369945133. The reversal of 618369945132 is 231549963816.

It is a super-4 number, since 4×618369945132⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not an unprimeable number, because it can be changed into a prime (618369945133) 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, 17770783 + ... + 17805545.

It is an arithmetic number, because the mean of its divisors is an integer number (30111881520).

Almost surely, 2^618369945132 is an apocalyptic number.

It is an amenable number.

618369945132 is an abundant number, since it is smaller than the sum of its proper divisors (827000367828).

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

618369945132 is a wasteful number, since it uses less digits than its factorization.

618369945132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37302 (or 37300 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 57.

The spelling of 618369945132 in words is "six hundred eighteen billion, three hundred sixty-nine million, nine hundred forty-five thousand, one hundred thirty-two".