252666299919 has 48 divisors (see below), whose sum is σ = 375862136832. Its totient is φ = 150846168000.

The previous prime is 252666299863. The next prime is 252666299971. The reversal of 252666299919 is 919992666252.

252666299919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252666299919 - 2⁹ = 252666299407 is a prime.

It is a super-2 number, since 2×252666299919² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252666299919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252666299989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7123609 + ... + 7158989.

It is an arithmetic number, because the mean of its divisors is an integer number (7830461184).

Almost surely, 2^252666299919 is an apocalyptic number.

252666299919 is a deficient number, since it is larger than the sum of its proper divisors (123195836913).

252666299919 is a wasteful number, since it uses less digits than its factorization.

252666299919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35700 (or 35689 counting only the distinct ones).

The product of its digits is 56687040, while the sum is 66.

The spelling of 252666299919 in words is "two hundred fifty-two billion, six hundred sixty-six million, two hundred ninety-nine thousand, nine hundred nineteen".