999107167852 has 24 divisors (see below), whose sum is σ = 1785710969280. Its totient is φ = 488904898560.

The previous prime is 999107167847. The next prime is 999107167921. The reversal of 999107167852 is 258761701999.

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, 5224402 + ... + 5412262.

It is an arithmetic number, because the mean of its divisors is an integer number (74404623720).

Almost surely, 2^999107167852 is an apocalyptic number.

It is an amenable number.

999107167852 is a deficient number, since it is larger than the sum of its proper divisors (786603801428).

999107167852 is a wasteful number, since it uses less digits than its factorization.

999107167852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216201 (or 216199 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 64.

The spelling of 999107167852 in words is "nine hundred ninety-nine billion, one hundred seven million, one hundred sixty-seven thousand, eight hundred fifty-two".