3866456155331 has 8 divisors (see below), whose sum is σ = 4820516765184. Its totient is φ = 3012822978120.

The previous prime is 3866456155327. The next prime is 3866456155337. The reversal of 3866456155331 is 1335516546683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3866456155331 - 2² = 3866456155327 is a prime.

It is a super-2 number, since 2×3866456155331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3866456155337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25106858075 + ... + 25106858228.

It is an arithmetic number, because the mean of its divisors is an integer number (602564595648).

Almost surely, 2^{3866456155331} is an apocalyptic number.

3866456155331 is a deficient number, since it is larger than the sum of its proper divisors (954060609853).

3866456155331 is a wasteful number, since it uses less digits than its factorization.

3866456155331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50213716321.

The product of its digits is 23328000, while the sum is 56.

The spelling of 3866456155331 in words is "three trillion, eight hundred sixty-six billion, four hundred fifty-six million, one hundred fifty-five thousand, three hundred thirty-one".