3771866016 has 144 divisors (see below), whose sum is σ = 11351340000. Its totient is φ = 1184730624.

The previous prime is 3771865967. The next prime is 3771866017. The reversal of 3771866016 is 6106681773.

3771866016 is a `hidden beast` number, since 37 + 7 + 1 + 8 + 6 + 601 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (3771866017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1076235 + ... + 1079733.

It is an arithmetic number, because the mean of its divisors is an integer number (78828750).

Almost surely, 2^3771866016 is an apocalyptic number.

3771866016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3771866016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5675670000).

3771866016 is an abundant number, since it is smaller than the sum of its proper divisors (7579473984).

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

3771866016 is a wasteful number, since it uses less digits than its factorization.

3771866016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731 (or 3720 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 3771866016 is about 61415.5193416127. The cubic root of 3771866016 is about 1556.6300825363.

The spelling of 3771866016 in words is "three billion, seven hundred seventy-one million, eight hundred sixty-six thousand, sixteen".