3618156053864 has 64 divisors (see below), whose sum is σ = 7453102032000. Its totient is φ = 1632995769600.

The previous prime is 3618156053857. The next prime is 3618156053903. The reversal of 3618156053864 is 4683506518163.

It is a super-2 number, since 2×3618156053864² (a number of 26 digits) contains 22 as substring.

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, 37806554 + ... + 37902134.

It is an arithmetic number, because the mean of its divisors is an integer number (116454719250).

Almost surely, 2^{3618156053864} 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 3618156053864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3726551016000).

3618156053864 is an abundant number, since it is smaller than the sum of its proper divisors (3834945978136).

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

3618156053864 is a wasteful number, since it uses less digits than its factorization.

3618156053864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98634 (or 98630 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 3618156053864 in words is "three trillion, six hundred eighteen billion, one hundred fifty-six million, fifty-three thousand, eight hundred sixty-four".