16250003816 has 32 divisors (see below), whose sum is σ = 30914205960. Its totient is φ = 8006418432.

The previous prime is 16250003807. The next prime is 16250003831. The reversal of 16250003816 is 61830005261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15414215716 + 835788100 = 124154^2 + 28910^2 .

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, 661286 + ... + 685418.

Almost surely, 2^16250003816 is an apocalyptic number.

It is an amenable number.

16250003816 is a deficient number, since it is larger than the sum of its proper divisors (14664202144).

16250003816 is a wasteful number, since it uses less digits than its factorization.

16250003816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25365 (or 25361 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 16250003816 in words is "sixteen billion, two hundred fifty million, three thousand, eight hundred sixteen".