3785693166 has 32 divisors (see below), whose sum is σ = 8414954400. Its totient is φ = 1261552320.

The previous prime is 3785693159. The next prime is 3785693167. The reversal of 3785693166 is 6613965873.

3785693166 is a `hidden beast` number, since 3 + 78 + 569 + 3 + 1 + 6 + 6 = 666.

It is a super-4 number, since 4×3785693166⁴ (a number of 39 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3785693167) 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, 257946 + ... + 272226.

It is an arithmetic number, because the mean of its divisors is an integer number (262967325).

Almost surely, 2^3785693166 is an apocalyptic number.

3785693166 is an abundant number, since it is smaller than the sum of its proper divisors (4629261234).

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

3785693166 is a wasteful number, since it uses less digits than its factorization.

3785693166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19201 (or 19195 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 3785693166 is about 61527.9868515134. The cubic root of 3785693166 is about 1558.5298946301.

The spelling of 3785693166 in words is "three billion, seven hundred eighty-five million, six hundred ninety-three thousand, one hundred sixty-six".