3666632361606 has 16 divisors (see below), whose sum is σ = 8148071914800. Its totient is φ = 1222210787184.

The previous prime is 3666632361599. The next prime is 3666632361607. The reversal of 3666632361606 is 6061632366663.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 67900599289 = 3666632361606 / (3 + 6 + 6 + 6 + 6 + 3 + 2 + 3 + 6 + 1 + 6 + 0 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666632361607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33950299591 + ... + 33950299698.

It is an arithmetic number, because the mean of its divisors is an integer number (509254494675).

Almost surely, 2^{3666632361606} is an apocalyptic number.

3666632361606 is an abundant number, since it is smaller than the sum of its proper divisors (4481439553194).

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

3666632361606 is a wasteful number, since it uses less digits than its factorization.

3666632361606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67900599300 (or 67900599294 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 54.

The spelling of 3666632361606 in words is "three trillion, six hundred sixty-six billion, six hundred thirty-two million, three hundred sixty-one thousand, six hundred six".