253666330350 has 96 divisors (see below), whose sum is σ = 650287712256. Its totient is φ = 65371363200.

The previous prime is 253666330349. The next prime is 253666330369. The reversal of 253666330350 is 53033666352.

It is a super-2 number, since 2×253666330350² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3343032 + ... + 3418068.

It is an arithmetic number, because the mean of its divisors is an integer number (6773830336).

Almost surely, 2^253666330350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253666330350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325143856128).

253666330350 is an abundant number, since it is smaller than the sum of its proper divisors (396621381906).

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

253666330350 is a wasteful number, since it uses less digits than its factorization.

253666330350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75810 (or 75805 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 42.

The spelling of 253666330350 in words is "two hundred fifty-three billion, six hundred sixty-six million, three hundred thirty thousand, three hundred fifty".