164745069 has 8 divisors (see below), whose sum is σ = 219734592. Its totient is φ = 109792800.

The previous prime is 164745059. The next prime is 164745109. The reversal of 164745069 is 960547461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164745069 - 2⁵ = 164745037 is a prime.

It is a super-2 number, since 2×164745069² = 54281875519629522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 164745069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164745019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3544 + ... + 18494.

It is an arithmetic number, because the mean of its divisors is an integer number (27466824).

Almost surely, 2^164745069 is an apocalyptic number.

It is an amenable number.

164745069 is a deficient number, since it is larger than the sum of its proper divisors (54989523).

164745069 is a wasteful number, since it uses less digits than its factorization.

164745069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18627.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 164745069 is about 12835.3055670677. The cubic root of 164745069 is about 548.1980354549.

The spelling of 164745069 in words is "one hundred sixty-four million, seven hundred forty-five thousand, sixty-nine".