3973780164 has 12 divisors (see below), whose sum is σ = 9272153744. Its totient is φ = 1324593384.

The previous prime is 3973780163. The next prime is 3973780169. The reversal of 3973780164 is 4610873793.

3973780164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3973780163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165574162 + ... + 165574185.

Almost surely, 2^3973780164 is an apocalyptic number.

It is an amenable number.

3973780164 is an abundant number, since it is smaller than the sum of its proper divisors (5298373580).

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

3973780164 is a wasteful number, since it uses less digits than its factorization.

3973780164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331148354 (or 331148352 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 3973780164 is about 63037.9263935609. The cubic root of 3973780164 is about 1583.9249961297.

The spelling of 3973780164 in words is "three billion, nine hundred seventy-three million, seven hundred eighty thousand, one hundred sixty-four".