168125340 has 24 divisors (see below), whose sum is σ = 470751120. Its totient is φ = 44833408.

The previous prime is 168125339. The next prime is 168125341. The reversal of 168125340 is 43521861.

It is an interprime number because it is at equal distance from previous prime (168125339) and next prime (168125341).

It is a super-2 number, since 2×168125340² = 56532259900231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 168125298 and 168125307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168125341) 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, 1400985 + ... + 1401104.

It is an arithmetic number, because the mean of its divisors is an integer number (19614630).

Almost surely, 2^168125340 is an apocalyptic number.

168125340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168125340 is an abundant number, since it is smaller than the sum of its proper divisors (302625780).

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

168125340 is a wasteful number, since it uses less digits than its factorization.

168125340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802101 (or 2802099 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 168125340 is about 12966.3155907914. The cubic root of 168125340 is about 551.9220247976.

The spelling of 168125340 in words is "one hundred sixty-eight million, one hundred twenty-five thousand, three hundred forty".