164383769 has 8 divisors (see below), whose sum is σ = 183143808. Its totient is φ = 146259760.

The previous prime is 164383733. The next prime is 164383771. The reversal of 164383769 is 967383461.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164383769 is a prime.

It is a super-2 number, since 2×164383769² = 54044047021290722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164383789) 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, 158462 + ... + 159495.

It is an arithmetic number, because the mean of its divisors is an integer number (22892976).

Almost surely, 2^164383769 is an apocalyptic number.

It is an amenable number.

164383769 is a deficient number, since it is larger than the sum of its proper divisors (18760039).

164383769 is a wasteful number, since it uses less digits than its factorization.

164383769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318015.

The product of its digits is 653184, while the sum is 47.

The square root of 164383769 is about 12821.2233815654. The cubic root of 164383769 is about 547.7969937759.

The spelling of 164383769 in words is "one hundred sixty-four million, three hundred eighty-three thousand, seven hundred sixty-nine".