164143270 has 16 divisors (see below), whose sum is σ = 301745088. Its totient is φ = 64260160.

The previous prime is 164143247. The next prime is 164143283. The reversal of 164143270 is 72341461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174151 + ... + 175090.

It is an arithmetic number, because the mean of its divisors is an integer number (18859068).

Almost surely, 2^164143270 is an apocalyptic number.

164143270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164143270 is a deficient number, since it is larger than the sum of its proper divisors (137601818).

164143270 is a wasteful number, since it uses less digits than its factorization.

164143270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349295.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 164143270 is about 12811.8410074431. The cubic root of 164143270 is about 547.5297148930.

The spelling of 164143270 in words is "one hundred sixty-four million, one hundred forty-three thousand, two hundred seventy".