3641801637816 has 48 divisors (see below), whose sum is σ = 9863415619200. Its totient is φ = 1213908913152.

The previous prime is 3641801637779. The next prime is 3641801637821. The reversal of 3641801637816 is 6187361081463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3187305 + ... + 4176423.

It is an arithmetic number, because the mean of its divisors is an integer number (205487825400).

Almost surely, 2^{3641801637816} is an apocalyptic number.

3641801637816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3641801637816 is an abundant number, since it is smaller than the sum of its proper divisors (6221613981384).

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

3641801637816 is a wasteful number, since it uses less digits than its factorization.

3641801637816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040268 (or 1040261 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 3641801637816 in words is "three trillion, six hundred forty-one billion, eight hundred one million, six hundred thirty-seven thousand, eight hundred sixteen".