6376618065636 has 864 divisors, whose sum is σ = 21677146767360. Its totient is φ = 1613789049600.

The previous prime is 6376618065619. The next prime is 6376618065673. The reversal of 6376618065636 is 6365608166736.

6376618065636 is a `hidden beast` number, since 6 + 3 + 7 + 6 + 61 + 8 + 0 + 6 + 563 + 6 = 666.

It is a super-2 number, since 2×6376618065636² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 3521047171 + ... + 3521048981.

It is an arithmetic number, because the mean of its divisors is an integer number (25089290240).

Almost surely, 2^{6376618065636} 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 6376618065636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10838573383680).

6376618065636 is an abundant number, since it is smaller than the sum of its proper divisors (15300528701724).

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

6376618065636 is a wasteful number, since it uses less digits than its factorization.

6376618065636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 63.

The spelling of 6376618065636 in words is "six trillion, three hundred seventy-six billion, six hundred eighteen million, sixty-five thousand, six hundred thirty-six".