253016866 has 8 divisors (see below), whose sum is σ = 379936620. Its totient is φ = 126371328.

The previous prime is 253016861. The next prime is 253016873. The reversal of 253016866 is 668610352.

253016866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 252142641 + 874225 = 15879^2 + 935^2 .

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

It is not an unprimeable number, because it can be changed into a prime (253016861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66231 + ... + 69946.

Almost surely, 2^253016866 is an apocalyptic number.

253016866 is a deficient number, since it is larger than the sum of its proper divisors (126919754).

253016866 is a wasteful number, since it uses less digits than its factorization.

253016866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137108.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 253016866 is about 15906.5038899187. The cubic root of 253016866 is about 632.4844083707.

The spelling of 253016866 in words is "two hundred fifty-three million, sixteen thousand, eight hundred sixty-six".