999750016 has 32 divisors (see below), whose sum is σ = 2078290800. Its totient is φ = 478139904.

The previous prime is 999750007. The next prime is 999750029. The reversal of 999750016 is 610057999.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166851 + ... + 172738.

Almost surely, 2^999750016 is an apocalyptic number.

999750016 is the 19998-th centered pentagonal number.

It is an amenable number.

999750016 is an abundant number, since it is smaller than the sum of its proper divisors (1078540784).

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

999750016 is a wasteful number, since it uses less digits than its factorization.

999750016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339626 (or 339614 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 999750016 is about 31618.8237605386. The cubic root of 999750016 is about 999.9166650555.

The spelling of 999750016 in words is "nine hundred ninety-nine million, seven hundred fifty thousand, sixteen".