252166050545 has 16 divisors (see below), whose sum is σ = 306454653120. Its totient is φ = 199175661504.

The previous prime is 252166050503. The next prime is 252166050553. The reversal of 252166050545 is 545050661252.

252166050545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 252166050545 - 2²⁴ = 252149273329 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 663239 + ... + 971708.

It is an arithmetic number, because the mean of its divisors is an integer number (19153415820).

Almost surely, 2^252166050545 is an apocalyptic number.

It is an amenable number.

252166050545 is a deficient number, since it is larger than the sum of its proper divisors (54288602575).

252166050545 is a wasteful number, since it uses less digits than its factorization.

252166050545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635344.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 252166050545 in words is "two hundred fifty-two billion, one hundred sixty-six million, fifty thousand, five hundred forty-five".