3778662168 has 48 divisors (see below), whose sum is σ = 10564008000. Its totient is φ = 1218922560.

The previous prime is 3778662163. The next prime is 3778662169. The reversal of 3778662168 is 8612668773.

3778662168 is a `hidden beast` number, since 3 + 7 + 7 + 8 + 6 + 621 + 6 + 8 = 666.

3778662168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778662163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844243 + ... + 848706.

It is an arithmetic number, because the mean of its divisors is an integer number (220083500).

Almost surely, 2^3778662168 is an apocalyptic number.

It is an amenable number.

3778662168 is an abundant number, since it is smaller than the sum of its proper divisors (6785345832).

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

3778662168 is a wasteful number, since it uses less digits than its factorization.

3778662168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692992 (or 1692985 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 3778662168 is about 61470.8237133683. The cubic root of 3778662168 is about 1557.5644341410.

The spelling of 3778662168 in words is "three billion, seven hundred seventy-eight million, six hundred sixty-two thousand, one hundred sixty-eight".