3666737033407 has 16 divisors (see below), whose sum is σ = 4414078909440. Its totient is φ = 2975498234208.

The previous prime is 3666737033387. The next prime is 3666737033441. The reversal of 3666737033407 is 7043307376663.

It is a cyclic number.

It is not a de Polignac number, because 3666737033407 - 2³⁵ = 3632377295039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666737033107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9072388 + ... + 9467929.

It is an arithmetic number, because the mean of its divisors is an integer number (275879931840).

Almost surely, 2^{3666737033407} is an apocalyptic number.

3666737033407 is a deficient number, since it is larger than the sum of its proper divisors (747341876033).

3666737033407 is a wasteful number, since it uses less digits than its factorization.

3666737033407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18541830.

The product of its (nonzero) digits is 24004512, while the sum is 55.

The spelling of 3666737033407 in words is "three trillion, six hundred sixty-six billion, seven hundred thirty-seven million, thirty-three thousand, four hundred seven".