3201664711680 has 132 divisors (see below), whose sum is σ = 11093685008952. Its totient is φ = 853777244160.

The previous prime is 3201664711669. The next prime is 3201664711697. The reversal of 3201664711680 is 861174661023.

3201664711680 is a `hidden beast` number, since 3 + 2 + 0 + 16 + 6 + 471 + 168 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34694206 + ... + 34786365.

Almost surely, 2^{3201664711680} is an apocalyptic number.

3201664711680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3201664711680 is an abundant number, since it is smaller than the sum of its proper divisors (7892020297272).

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

3201664711680 is a wasteful number, since it uses less digits than its factorization.

3201664711680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69480602 (or 69480581 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 3201664711680 in words is "three trillion, two hundred one billion, six hundred sixty-four million, seven hundred eleven thousand, six hundred eighty".