168949170 has 96 divisors (see below), whose sum is σ = 476107632. Its totient is φ = 41319936.

The previous prime is 168949147. The next prime is 168949171. The reversal of 168949170 is 71949861.

It is a happy number.

168949170 is a `hidden beast` number, since 16 + 89 + 491 + 70 = 666.

168949170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 141919569 + 27029601 = 11913^2 + 5199^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (168949171) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 230124 + ... + 230856.

Almost surely, 2^168949170 is an apocalyptic number.

168949170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 168949170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238053816).

168949170 is an abundant number, since it is smaller than the sum of its proper divisors (307158462).

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

168949170 is a wasteful number, since it uses less digits than its factorization.

168949170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 168949170 is about 12998.0448529769. The cubic root of 168949170 is about 552.8220462982.

The spelling of 168949170 in words is "one hundred sixty-eight million, nine hundred forty-nine thousand, one hundred seventy".