164742346 has 16 divisors (see below), whose sum is σ = 253499400. Its totient is φ = 80248320.

The previous prime is 164742343. The next prime is 164742367. The reversal of 164742346 is 643247461.

It can be written as a sum of positive squares in 4 ways, for example, as 140683321 + 24059025 = 11861^2 + 4905^2 .

It is not an unprimeable number, because it can be changed into a prime (164742343) 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 7 ways as a sum of consecutive naturals, for example, 105580 + ... + 107128.

Almost surely, 2^164742346 is an apocalyptic number.

164742346 is a deficient number, since it is larger than the sum of its proper divisors (88757054).

164742346 is a wasteful number, since it uses less digits than its factorization.

164742346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889.

The product of its digits is 96768, while the sum is 37.

The square root of 164742346 is about 12835.1994920219. The cubic root of 164742346 is about 548.1950151289.

The spelling of 164742346 in words is "one hundred sixty-four million, seven hundred forty-two thousand, three hundred forty-six".