245553166317 has 16 divisors (see below), whose sum is σ = 347490682560. Its totient is φ = 153704846592.

The previous prime is 245553166303. The next prime is 245553166319. The reversal of 245553166317 is 713661355542.

It is a happy number.

It is not a de Polignac number, because 245553166317 - 2¹² = 245553162221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245553166319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5724178 + ... + 5766915.

It is an arithmetic number, because the mean of its divisors is an integer number (21718167660).

Almost surely, 2^245553166317 is an apocalyptic number.

It is an amenable number.

245553166317 is a deficient number, since it is larger than the sum of its proper divisors (101937516243).

245553166317 is a wasteful number, since it uses less digits than its factorization.

245553166317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11491532.

The product of its digits is 2268000, while the sum is 48.

The spelling of 245553166317 in words is "two hundred forty-five billion, five hundred fifty-three million, one hundred sixty-six thousand, three hundred seventeen".