168994260 has 36 divisors (see below), whose sum is σ = 512616468. Its totient is φ = 45065088.

The previous prime is 168994253. The next prime is 168994279. The reversal of 168994260 is 62499861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24561936 + 144432324 = 4956^2 + 12018^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469249 + ... + 469608.

Almost surely, 2^168994260 is an apocalyptic number.

168994260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168994260 is an abundant number, since it is smaller than the sum of its proper divisors (343622208).

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

168994260 is a wasteful number, since it uses less digits than its factorization.

168994260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938872 (or 938867 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 168994260 is about 12999.7792288946. The cubic root of 168994260 is about 552.8712218952.

The spelling of 168994260 in words is "one hundred sixty-eight million, nine hundred ninety-four thousand, two hundred sixty".