3872616566 has 32 divisors (see below), whose sum is σ = 7247408448. Its totient is φ = 1511032320.

The previous prime is 3872616533. The next prime is 3872616569. The reversal of 3872616566 is 6656162783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872616569) 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, 132455 + ... + 159026.

It is an arithmetic number, because the mean of its divisors is an integer number (226481514).

Almost surely, 2^3872616566 is an apocalyptic number.

3872616566 is a deficient number, since it is larger than the sum of its proper divisors (3374791882).

3872616566 is a wasteful number, since it uses less digits than its factorization.

3872616566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291576.

The product of its digits is 2177280, while the sum is 50.

The square root of 3872616566 is about 62230.3508426555. The cubic root of 3872616566 is about 1570.3682268809.

The spelling of 3872616566 in words is "three billion, eight hundred seventy-two million, six hundred sixteen thousand, five hundred sixty-six".