99860170 has 16 divisors (see below), whose sum is σ = 180263880. Its totient is φ = 39829504.

The previous prime is 99860161. The next prime is 99860179. The reversal of 99860170 is 7106899.

It is an interprime number because it is at equal distance from previous prime (99860161) and next prime (99860179).

It can be written as a sum of positive squares in 4 ways, for example, as 94342369 + 5517801 = 9713^2 + 2349^2 .

It is not an unprimeable number, because it can be changed into a prime (99860179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10615 + ... + 17674.

Almost surely, 2^99860170 is an apocalyptic number.

99860170 is a deficient number, since it is larger than the sum of its proper divisors (80403710).

99860170 is a wasteful number, since it uses less digits than its factorization.

99860170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28649.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 99860170 is about 9993.0060542361. The cubic root of 99860170 is about 463.9424379892.

The spelling of 99860170 in words is "ninety-nine million, eight hundred sixty thousand, one hundred seventy".