168460740 has 144 divisors (see below), whose sum is σ = 609493248. Its totient is φ = 36824832.

The previous prime is 168460703. The next prime is 168460757. The reversal of 168460740 is 47064861.

168460740 is a `hidden beast` number, since 1 + 6 + 8 + 4 + 607 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 168460695 and 168460704.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26074 + ... + 31886.

It is an arithmetic number, because the mean of its divisors is an integer number (4232592).

Almost surely, 2^168460740 is an apocalyptic number.

168460740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168460740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304746624).

168460740 is an abundant number, since it is smaller than the sum of its proper divisors (441032508).

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

168460740 is a wasteful number, since it uses less digits than its factorization.

168460740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858 (or 5853 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 168460740 is about 12979.2426589536. The cubic root of 168460740 is about 552.2887981541.

Subtracting from 168460740 its product of nonzero digits (32256), we obtain a square (168428484 = 12978²).

The spelling of 168460740 in words is "one hundred sixty-eight million, four hundred sixty thousand, seven hundred forty".