163366245 has 72 divisors (see below), whose sum is σ = 337255776. Its totient is φ = 72902592.

The previous prime is 163366241. The next prime is 163366271. The reversal of 163366245 is 542663361.

It is not a de Polignac number, because 163366245 - 2² = 163366241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163366241) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 93954 + ... + 95676.

It is an arithmetic number, because the mean of its divisors is an integer number (4684108).

Almost surely, 2^163366245 is an apocalyptic number.

163366245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163366245 is an abundant number, since it is smaller than the sum of its proper divisors (173889531).

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

163366245 is a wasteful number, since it uses less digits than its factorization.

163366245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791 (or 1781 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 163366245 is about 12781.4805480429. The cubic root of 163366245 is about 546.6643786258.

The spelling of 163366245 in words is "one hundred sixty-three million, three hundred sixty-six thousand, two hundred forty-five".