38889316146 has 64 divisors (see below), whose sum is σ = 81278951040. Its totient is φ = 12393039360.

The previous prime is 38889316133. The next prime is 38889316157. The reversal of 38889316146 is 64161398883.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15813865 + ... + 15816323.

It is an arithmetic number, because the mean of its divisors is an integer number (1269983610).

Almost surely, 2^38889316146 is an apocalyptic number.

38889316146 is an abundant number, since it is smaller than the sum of its proper divisors (42389634894).

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

38889316146 is a wasteful number, since it uses less digits than its factorization.

38889316146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771.

The product of its digits is 5971968, while the sum is 57.

The spelling of 38889316146 in words is "thirty-eight billion, eight hundred eighty-nine million, three hundred sixteen thousand, one hundred forty-six".