3612840166641 has 32 divisors (see below), whose sum is σ = 4923520422912. Its totient is φ = 2355659167680.

The previous prime is 3612840166591. The next prime is 3612840166679. The reversal of 3612840166641 is 1466610482163.

It is not a de Polignac number, because 3612840166641 - 2¹⁰ = 3612840165617 is a prime.

It is a super-2 number, since 2×3612840166641² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3612840162641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64483546 + ... + 64539548.

It is an arithmetic number, because the mean of its divisors is an integer number (153860013216).

Almost surely, 2^{3612840166641} is an apocalyptic number.

It is an amenable number.

3612840166641 is a deficient number, since it is larger than the sum of its proper divisors (1310680256271).

3612840166641 is a wasteful number, since it uses less digits than its factorization.

3612840166641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57333.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 3612840166641 in words is "three trillion, six hundred twelve billion, eight hundred forty million, one hundred sixty-six thousand, six hundred forty-one".