170992116 has 18 divisors (see below), whose sum is σ = 432230162. Its totient is φ = 56997360.

The previous prime is 170992109. The next prime is 170992117. The reversal of 170992116 is 611299071.

It can be written as a sum of positive squares in only one way, i.e., 93199716 + 77792400 = 9654^2 + 8820^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4749781 = 170992116 / (1 + 7 + 0 + 9 + 9 + 2 + 1 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170992117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2374855 + ... + 2374926.

Almost surely, 2^170992116 is an apocalyptic number.

It is an amenable number.

170992116 is an abundant number, since it is smaller than the sum of its proper divisors (261238046).

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

170992116 is a wasteful number, since it uses less digits than its factorization.

170992116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749791 (or 4749786 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 36.

The square root of 170992116 is about 13076.3953748730. The cubic root of 170992116 is about 555.0413799193.

The spelling of 170992116 in words is "one hundred seventy million, nine hundred ninety-two thousand, one hundred sixteen".