164134870 has 32 divisors (see below), whose sum is σ = 303367680. Its totient is φ = 63903840.

The previous prime is 164134853. The next prime is 164134871. The reversal of 164134870 is 78431461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164134871) 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 15 ways as a sum of consecutive naturals, for example, 179715 + ... + 180625.

It is an arithmetic number, because the mean of its divisors is an integer number (9480240).

Almost surely, 2^164134870 is an apocalyptic number.

164134870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164134870 is a deficient number, since it is larger than the sum of its proper divisors (139232810).

164134870 is a wasteful number, since it uses less digits than its factorization.

164134870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 164134870 is about 12811.5131815098. The cubic root of 164134870 is about 547.5203748247.

The spelling of 164134870 in words is "one hundred sixty-four million, one hundred thirty-four thousand, eight hundred seventy".