164143395 has 32 divisors (see below), whose sum is σ = 314260800. Its totient is φ = 80808192.

The previous prime is 164143391. The next prime is 164143403. The reversal of 164143395 is 593341461.

164143395 is a `hidden beast` number, since 1 + 641 + 4 + 3 + 3 + 9 + 5 = 666.

It is not a de Polignac number, because 164143395 - 2² = 164143391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164143391) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 45010 + ... + 48519.

It is an arithmetic number, because the mean of its divisors is an integer number (9820650).

Almost surely, 2^164143395 is an apocalyptic number.

164143395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164143395 is a deficient number, since it is larger than the sum of its proper divisors (150117405).

164143395 is a wasteful number, since it uses less digits than its factorization.

164143395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93556 (or 93550 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 164143395 is about 12811.8458857418. The cubic root of 164143395 is about 547.5298538797.

The spelling of 164143395 in words is "one hundred sixty-four million, one hundred forty-three thousand, three hundred ninety-five".