164254856 has 16 divisors (see below), whose sum is σ = 315490140. Its totient is φ = 80124160.

The previous prime is 164254847. The next prime is 164254859. The reversal of 164254856 is 658452461.

It can be written as a sum of positive squares in 2 ways, for example, as 126922756 + 37332100 = 11266^2 + 6110^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (164254859) 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 3 ways as a sum of consecutive naturals, for example, 250061 + ... + 250716.

Almost surely, 2^164254856 is an apocalyptic number.

It is an amenable number.

164254856 is a deficient number, since it is larger than the sum of its proper divisors (151235284).

164254856 is a wasteful number, since it uses less digits than its factorization.

164254856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500824 (or 500820 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 164254856 is about 12816.1950671797. The cubic root of 164254856 is about 547.6537585843.

The spelling of 164254856 in words is "one hundred sixty-four million, two hundred fifty-four thousand, eight hundred fifty-six".