3785766164 has 6 divisors (see below), whose sum is σ = 6625090794. Its totient is φ = 1892883080.

The previous prime is 3785766161. The next prime is 3785766209. The reversal of 3785766164 is 4616675873.

It can be written as a sum of positive squares in only one way, i.e., 2070978064 + 1714788100 = 45508^2 + 41410^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3785766161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473220767 + ... + 473220774.

It is an arithmetic number, because the mean of its divisors is an integer number (1104181799).

Almost surely, 2^3785766164 is an apocalyptic number.

It is an amenable number.

3785766164 is a deficient number, since it is larger than the sum of its proper divisors (2839324630).

3785766164 is a wasteful number, since it uses less digits than its factorization.

3785766164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946441545 (or 946441543 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 53.

The square root of 3785766164 is about 61528.5800583761. The cubic root of 3785766164 is about 1558.5399120676.

The spelling of 3785766164 in words is "three billion, seven hundred eighty-five million, seven hundred sixty-six thousand, one hundred sixty-four".