164751540 has 24 divisors (see below), whose sum is σ = 461304480. Its totient is φ = 43933728.

The previous prime is 164751511. The next prime is 164751547. The reversal of 164751540 is 45157461.

164751540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164751547) 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, 1372870 + ... + 1372989.

It is an arithmetic number, because the mean of its divisors is an integer number (19221020).

Almost surely, 2^164751540 is an apocalyptic number.

164751540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164751540 is an abundant number, since it is smaller than the sum of its proper divisors (296552940).

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

164751540 is a wasteful number, since it uses less digits than its factorization.

164751540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745871 (or 2745869 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 164751540 is about 12835.5576427361. The cubic root of 164751540 is about 548.2052128939.

The spelling of 164751540 in words is "one hundred sixty-four million, seven hundred fifty-one thousand, five hundred forty".