164764458 has 12 divisors (see below), whose sum is σ = 356989698. Its totient is φ = 54921480.

The previous prime is 164764429. The next prime is 164764463. The reversal of 164764458 is 854467461.

It can be written as a sum of positive squares in only one way, i.e., 119968209 + 44796249 = 10953^2 + 6693^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4576773 + ... + 4576808.

Almost surely, 2^164764458 is an apocalyptic number.

164764458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

164764458 is an abundant number, since it is smaller than the sum of its proper divisors (192225240).

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

164764458 is a wasteful number, since it uses less digits than its factorization.

164764458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153589 (or 9153586 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 164764458 is about 12836.0608443556. The cubic root of 164764458 is about 548.2195405897.

The spelling of 164764458 in words is "one hundred sixty-four million, seven hundred sixty-four thousand, four hundred fifty-eight".