164500740 has 48 divisors (see below), whose sum is σ = 511781760. Its totient is φ = 43866720.

The previous prime is 164500723. The next prime is 164500793. The reversal of 164500740 is 47005461.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151776 + ... + 152855.

It is an arithmetic number, because the mean of its divisors is an integer number (10662120).

Almost surely, 2^164500740 is an apocalyptic number.

164500740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164500740 is an abundant number, since it is smaller than the sum of its proper divisors (347281020).

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

164500740 is a wasteful number, since it uses less digits than its factorization.

164500740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304649 (or 304641 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 164500740 is about 12825.7841865517. The cubic root of 164500740 is about 547.9268954286.

The spelling of 164500740 in words is "one hundred sixty-four million, five hundred thousand, seven hundred forty".