164470442400 has 432 divisors, whose sum is σ = 660203369280. Its totient is φ = 38137651200.

The previous prime is 164470442399. The next prime is 164470442413. The reversal of 164470442400 is 4244074461.

164470442400 is a `hidden beast` number, since 1 + 644 + 7 + 0 + 4 + 4 + 2 + 4 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 1776456 + ... + 1866744.

It is an arithmetic number, because the mean of its divisors is an integer number (1528248540).

Almost surely, 2^164470442400 is an apocalyptic number.

164470442400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164470442400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330101684640).

164470442400 is an abundant number, since it is smaller than the sum of its proper divisors (495732926880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164470442400 is a wasteful number, since it uses less digits than its factorization.

164470442400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90349 (or 90333 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The spelling of 164470442400 in words is "one hundred sixty-four billion, four hundred seventy million, four hundred forty-two thousand, four hundred".