245432261166 has 32 divisors (see below), whose sum is σ = 491574859776. Its totient is φ = 81692448000.

The previous prime is 245432261153. The next prime is 245432261197. The reversal of 245432261166 is 661162234542.

It is a happy number.

245432261166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 13809726 + ... + 13827486.

It is an arithmetic number, because the mean of its divisors is an integer number (15361714368).

Almost surely, 2^245432261166 is an apocalyptic number.

245432261166 is an abundant number, since it is smaller than the sum of its proper divisors (246142598610).

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

245432261166 is a wasteful number, since it uses less digits than its factorization.

245432261166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20968.

The product of its digits is 414720, while the sum is 42.

The spelling of 245432261166 in words is "two hundred forty-five billion, four hundred thirty-two million, two hundred sixty-one thousand, one hundred sixty-six".