10251878466 has 16 divisors (see below), whose sum is σ = 20506110624. Its totient is φ = 3416900544.

The previous prime is 10251878453. The next prime is 10251878513. The reversal of 10251878466 is 66487815201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38680 + ... + 148323.

It is an arithmetic number, because the mean of its divisors is an integer number (1281631914).

Almost surely, 2^10251878466 is an apocalyptic number.

10251878466 is an abundant number, since it is smaller than the sum of its proper divisors (10254232158).

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

10251878466 is a wasteful number, since it uses less digits than its factorization.

10251878466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196145.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 10251878466 in words is "ten billion, two hundred fifty-one million, eight hundred seventy-eight thousand, four hundred sixty-six".