164156416 has 22 divisors (see below), whose sum is σ = 328154570. Its totient is φ = 82077696.

The previous prime is 164156401. The next prime is 164156417. The reversal of 164156416 is 614651461.

It can be written as a sum of positive squares in only one way, i.e., 140185600 + 23970816 = 11840^2 + 4896^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164156417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79131 + ... + 81178.

Almost surely, 2^164156416 is an apocalyptic number.

164156416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164156416 is a deficient number, since it is larger than the sum of its proper divisors (163998154).

164156416 is an equidigital number, since it uses as much as digits as its factorization.

164156416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160329 (or 160311 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 164156416 is about 12812.3540381930. The cubic root of 164156416 is about 547.5443314604.

The spelling of 164156416 in words is "one hundred sixty-four million, one hundred fifty-six thousand, four hundred sixteen".