618051641004 has 72 divisors (see below), whose sum is σ = 1821920973600. Its totient is φ = 176586179616.

The previous prime is 618051640957. The next prime is 618051641089. The reversal of 618051641004 is 400146150816.

618051641004 is a `hidden beast` number, since 6 + 1 + 8 + 0 + 5 + 1 + 641 + 0 + 0 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 618051641004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25014039 + ... + 25038734.

Almost surely, 2^618051641004 is an apocalyptic number.

It is an amenable number.

618051641004 is an abundant number, since it is smaller than the sum of its proper divisors (1203869332596).

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

618051641004 is a wasteful number, since it uses less digits than its factorization.

618051641004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50052804 (or 50052785 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 618051641004 in words is "six hundred eighteen billion, fifty-one million, six hundred forty-one thousand, four".