536861668 has 24 divisors (see below), whose sum is σ = 1074931200. Its totient is φ = 229824768.

The previous prime is 536861629. The next prime is 536861681. The reversal of 536861668 is 866168635.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15693 + ... + 36331.

It is an arithmetic number, because the mean of its divisors is an integer number (44788800).

Almost surely, 2^536861668 is an apocalyptic number.

It is an amenable number.

536861668 is an abundant number, since it is smaller than the sum of its proper divisors (538069532).

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

536861668 is a wasteful number, since it uses less digits than its factorization.

536861668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21579 (or 21577 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 536861668 is about 23170.2755270627. The cubic root of 536861668 is about 812.7446738625.

The spelling of 536861668 in words is "five hundred thirty-six million, eight hundred sixty-one thousand, six hundred sixty-eight".