164196769 has 4 divisors (see below), whose sum is σ = 179123760. Its totient is φ = 149269780.

The previous prime is 164196763. The next prime is 164196817. The reversal of 164196769 is 967691461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-164196769 is a prime.

It is a super-2 number, since 2×164196769² = 53921157900078722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164196763) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7463479 + ... + 7463500.

It is an arithmetic number, because the mean of its divisors is an integer number (44780940).

Almost surely, 2^164196769 is an apocalyptic number.

It is an amenable number.

164196769 is a deficient number, since it is larger than the sum of its proper divisors (14926991).

164196769 is a wasteful number, since it uses less digits than its factorization.

164196769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14926990.

The product of its digits is 489888, while the sum is 49.

The square root of 164196769 is about 12813.9287105868. The cubic root of 164196769 is about 547.5891936447.

The spelling of 164196769 in words is "one hundred sixty-four million, one hundred ninety-six thousand, seven hundred sixty-nine".