164246144 has 16 divisors (see below), whose sum is σ = 327209370. Its totient is φ = 82123008.

The previous prime is 164246119. The next prime is 164246167. The reversal of 164246144 is 441642461.

It can be written as a sum of positive squares in only one way, i.e., 118548544 + 45697600 = 10888^2 + 6760^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 164246144.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641459 + ... + 641714.

Almost surely, 2^164246144 is an apocalyptic number.

It is an amenable number.

164246144 is a deficient number, since it is larger than the sum of its proper divisors (162963226).

164246144 is an equidigital number, since it uses as much as digits as its factorization.

164246144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283187 (or 1283175 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 164246144 is about 12815.8551802055. The cubic root of 164246144 is about 547.6440759808.

The spelling of 164246144 in words is "one hundred sixty-four million, two hundred forty-six thousand, one hundred forty-four".