572366661 has 8 divisors (see below), whose sum is σ = 796336320. Its totient is φ = 364987392.

The previous prime is 572366623. The next prime is 572366699. The reversal of 572366661 is 166663275.

572366661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (572366623) and next prime (572366699).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 572366661 - 2¹¹ = 572364613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572368661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4147516 + ... + 4147653.

It is an arithmetic number, because the mean of its divisors is an integer number (99542040).

Almost surely, 2^572366661 is an apocalyptic number.

It is an amenable number.

572366661 is a deficient number, since it is larger than the sum of its proper divisors (223969659).

572366661 is a wasteful number, since it uses less digits than its factorization.

572366661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8295195.

The product of its digits is 272160, while the sum is 42.

The square root of 572366661 is about 23924.1856914713. The cubic root of 572366661 is about 830.2803818789.

The spelling of 572366661 in words is "five hundred seventy-two million, three hundred sixty-six thousand, six hundred sixty-one".