253992066 has 8 divisors (see below), whose sum is σ = 507984144. Its totient is φ = 84664020.

The previous prime is 253992061. The next prime is 253992071. The reversal of 253992066 is 660299352.

It is an interprime number because it is at equal distance from previous prime (253992061) and next prime (253992071).

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

253992066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (253992061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21166000 + ... + 21166011.

It is an arithmetic number, because the mean of its divisors is an integer number (63498018).

Almost surely, 2^253992066 is an apocalyptic number.

253992066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

253992066 is a wasteful number, since it uses less digits than its factorization.

253992066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42332016.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 253992066 is about 15937.1285368475. The cubic root of 253992066 is about 633.2959590749.

The spelling of 253992066 in words is "two hundred fifty-three million, nine hundred ninety-two thousand, sixty-six".