164147570 has 16 divisors (see below), whose sum is σ = 297425088. Its totient is φ = 65223600.

The previous prime is 164147567. The next prime is 164147587. The reversal of 164147570 is 75741461.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 164147570.

It is an unprimeable number.

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, 52844 + ... + 55863.

It is an arithmetic number, because the mean of its divisors is an integer number (18589068).

Almost surely, 2^164147570 is an apocalyptic number.

164147570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164147570 is a deficient number, since it is larger than the sum of its proper divisors (133277518).

164147570 is a wasteful number, since it uses less digits than its factorization.

164147570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108865.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 164147570 is about 12812.0088198533. The cubic root of 164147570 is about 547.5344959951.

The spelling of 164147570 in words is "one hundred sixty-four million, one hundred forty-seven thousand, five hundred seventy".