164147349 has 4 divisors (see below), whose sum is σ = 218863136. Its totient is φ = 109431564.

The previous prime is 164147329. The next prime is 164147363. The reversal of 164147349 is 943741461.

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 not a de Polignac number, because 164147349 - 2⁵ = 164147317 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 (164147329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27357889 + ... + 27357894.

It is an arithmetic number, because the mean of its divisors is an integer number (54715784).

Almost surely, 2^164147349 is an apocalyptic number.

It is an amenable number.

164147349 is a deficient number, since it is larger than the sum of its proper divisors (54715787).

164147349 is an equidigital number, since it uses as much as digits as its factorization.

164147349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54715786.

The product of its digits is 72576, while the sum is 39.

The square root of 164147349 is about 12812.0001951296. Note that the first 3 decimals coincide. The cubic root of 164147349 is about 547.5342502708.

The spelling of 164147349 in words is "one hundred sixty-four million, one hundred forty-seven thousand, three hundred forty-nine".