3663165190806 has 48 divisors (see below), whose sum is σ = 8729947453968. Its totient is φ = 1110050050560.

The previous prime is 3663165190759. The next prime is 3663165190807. The reversal of 3663165190806 is 6080915613663.

3663165190806 is a `hidden beast` number, since 3 + 66 + 316 + 5 + 190 + 80 + 6 = 666.

It is a super-3 number, since 3×3663165190806³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663165190807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76425771 + ... + 76473686.

It is an arithmetic number, because the mean of its divisors is an integer number (181873905291).

Almost surely, 2^{3663165190806} is an apocalyptic number.

3663165190806 is an abundant number, since it is smaller than the sum of its proper divisors (5066782263162).

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

3663165190806 is a wasteful number, since it uses less digits than its factorization.

3663165190806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152899498 (or 152899473 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 3663165190806 in words is "three trillion, six hundred sixty-three billion, one hundred sixty-five million, one hundred ninety thousand, eight hundred six".