999974000170 has 32 divisors (see below), whose sum is σ = 1908716271696. Its totient is φ = 375891225600.

The previous prime is 999974000161. The next prime is 999974000219. The reversal of 999974000170 is 71000479999.

It is a Cunningham number, because it is equal to 999987²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 778525640281 + 221448359889 = 882341^2 + 470583^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4337101 + ... + 4561840.

Almost surely, 2^999974000170 is an apocalyptic number.

999974000170 is a deficient number, since it is larger than the sum of its proper divisors (908742271526).

999974000170 is a wasteful number, since it uses less digits than its factorization.

999974000170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8899626.

The product of its (nonzero) digits is 1285956, while the sum is 55.

The spelling of 999974000170 in words is "nine hundred ninety-nine billion, nine hundred seventy-four million, one hundred seventy", and thus it is an aban number.