864166292 has 48 divisors (see below), whose sum is σ = 1719803904. Its totient is φ = 376380000.

The previous prime is 864166231. The next prime is 864166297. The reversal of 864166292 is 292661468.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864166297) 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 15 ways as a sum of consecutive naturals, for example, 137417 + ... + 143567.

It is an arithmetic number, because the mean of its divisors is an integer number (35829248).

Almost surely, 2^864166292 is an apocalyptic number.

It is an amenable number.

864166292 is a deficient number, since it is larger than the sum of its proper divisors (855637612).

864166292 is a wasteful number, since it uses less digits than its factorization.

864166292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300 (or 6298 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 864166292 is about 29396.7054616670. The cubic root of 864166292 is about 952.5017319129.

The spelling of 864166292 in words is "eight hundred sixty-four million, one hundred sixty-six thousand, two hundred ninety-two".