573164640 has 192 divisors, whose sum is σ = 2111961600. Its totient is φ = 144778752.

The previous prime is 573164633. The next prime is 573164663. The reversal of 573164640 is 46461375.

It is a happy number.

573164640 is a `hidden beast` number, since 5 + 7 + 3 + 1 + 6 + 4 + 640 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 573164595 and 573164604.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 78589 + ... + 85571.

It is an arithmetic number, because the mean of its divisors is an integer number (10999800).

Almost surely, 2^573164640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 573164640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055980800).

573164640 is an abundant number, since it is smaller than the sum of its proper divisors (1538796960).

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

573164640 is a wasteful number, since it uses less digits than its factorization.

573164640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7026 (or 7012 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 573164640 is about 23940.8571275132. The cubic root of 573164640 is about 830.6660546131. Note that the first 3 decimals are identical.

The spelling of 573164640 in words is "five hundred seventy-three million, one hundred sixty-four thousand, six hundred forty".