3660405696 has 42 divisors (see below), whose sum is σ = 10491893672. Its totient is φ = 1220135040.

The previous prime is 3660405691. The next prime is 3660405701. The reversal of 3660405696 is 6965040663.

3660405696 is a `hidden beast` number, since 36 + 604 + 0 + 5 + 6 + 9 + 6 = 666.

3660405696 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3660405691) and next prime (3660405701).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660405691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3176860 + ... + 3178011.

Almost surely, 2^3660405696 is an apocalyptic number.

3660405696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3660405696 is an abundant number, since it is smaller than the sum of its proper divisors (6831487976).

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

3660405696 is a wasteful number, since it uses less digits than its factorization.

3660405696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6354889 (or 6354876 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The square root of 3660405696 is about 60501.2867301184. The cubic root of 3660405696 is about 1541.1434831066.

The spelling of 3660405696 in words is "three billion, six hundred sixty million, four hundred five thousand, six hundred ninety-six".