18628777103364 has 24 divisors (see below), whose sum is σ = 48296829527520. Its totient is φ = 6209592367752.

The previous prime is 18628777103347. The next prime is 18628777103369. The reversal of 18628777103364 is 46330177782681.

18628777103364 is a `hidden beast` number, since 1 + 8 + 6 + 287 + 7 + 7 + 10 + 336 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (18628777103369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86244338334 + ... + 86244338549.

It is an arithmetic number, because the mean of its divisors is an integer number (2012367896980).

Almost surely, 2^{18628777103364} is an apocalyptic number.

It is an amenable number.

18628777103364 is an abundant number, since it is smaller than the sum of its proper divisors (29668052424156).

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

18628777103364 is a wasteful number, since it uses less digits than its factorization.

18628777103364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172488676896 (or 172488676888 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 63.

The spelling of 18628777103364 in words is "eighteen trillion, six hundred twenty-eight billion, seven hundred seventy-seven million, one hundred three thousand, three hundred sixty-four".