164976349 has 4 divisors (see below), whose sum is σ = 165684636. Its totient is φ = 164268064.

The previous prime is 164976319. The next prime is 164976367. The reversal of 164976349 is 943679461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16867449 + 148108900 = 4107^2 + 12170^2 .

It is a cyclic number.

It is not a de Polignac number, because 164976349 - 2¹³ = 164968157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164976319) 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 3 ways as a sum of consecutive naturals, for example, 353794 + ... + 354259.

It is an arithmetic number, because the mean of its divisors is an integer number (41421159).

Almost surely, 2^164976349 is an apocalyptic number.

It is an amenable number.

164976349 is a deficient number, since it is larger than the sum of its proper divisors (708287).

164976349 is an equidigital number, since it uses as much as digits as its factorization.

164976349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708286.

The product of its digits is 979776, while the sum is 49.

The square root of 164976349 is about 12844.3119317463. The cubic root of 164976349 is about 548.4544476961.

The spelling of 164976349 in words is "one hundred sixty-four million, nine hundred seventy-six thousand, three hundred forty-nine".