3851566061 has 12 divisors (see below), whose sum is σ = 4490624160. Its totient is φ = 3293803800.

The previous prime is 3851566051. The next prime is 3851566063. The reversal of 3851566061 is 1606651583.

It is not a de Polignac number, because 3851566061 - 2¹⁰ = 3851565037 is a prime.

It is a super-2 number, since 2×3851566061² = 29669122244494111442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3851566063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68015 + ... + 111036.

It is an arithmetic number, because the mean of its divisors is an integer number (374218680).

Almost surely, 2^3851566061 is an apocalyptic number.

It is an amenable number.

3851566061 is a deficient number, since it is larger than the sum of its proper divisors (639058099).

3851566061 is a wasteful number, since it uses less digits than its factorization.

3851566061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179504 (or 179497 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 3851566061 is about 62060.9866260600. The cubic root of 3851566061 is about 1567.5176888711.

The spelling of 3851566061 in words is "three billion, eight hundred fifty-one million, five hundred sixty-six thousand, sixty-one".