165314740 has 12 divisors (see below), whose sum is σ = 347160996. Its totient is φ = 66125888.

The previous prime is 165314707. The next prime is 165314771. The reversal of 165314740 is 47413561.

It can be written as a sum of positive squares in 2 ways, for example, as 41036836 + 124277904 = 6406^2 + 11148^2 .

It is a super-2 number, since 2×165314740² = 54657926522535200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4132849 + ... + 4132888.

It is an arithmetic number, because the mean of its divisors is an integer number (28930083).

Almost surely, 2^165314740 is an apocalyptic number.

165314740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165314740 is an abundant number, since it is smaller than the sum of its proper divisors (181846256).

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

165314740 is a wasteful number, since it uses less digits than its factorization.

165314740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265746 (or 8265744 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 165314740 is about 12857.4779797595. The cubic root of 165314740 is about 548.8291787859.

The spelling of 165314740 in words is "one hundred sixty-five million, three hundred fourteen thousand, seven hundred forty".