618827978496 has 576 divisors, whose sum is σ = 2064439738368. Its totient is φ = 160229228544.

The previous prime is 618827978477. The next prime is 618827978513. The reversal of 618827978496 is 694879728816.

Its product of digits (585252864) is a multiple of the sum of its prime divisors (882).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1002962380 + ... + 1002962996.

It is an arithmetic number, because the mean of its divisors is an integer number (3584096768).

Almost surely, 2^618827978496 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 618827978496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1032219869184).

618827978496 is an abundant number, since it is smaller than the sum of its proper divisors (1445611759872).

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

618827978496 is a wasteful number, since it uses less digits than its factorization.

618827978496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 882 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 75.

The spelling of 618827978496 in words is "six hundred eighteen billion, eight hundred twenty-seven million, nine hundred seventy-eight thousand, four hundred ninety-six".