163775345 has 16 divisors (see below), whose sum is σ = 209796480. Its totient is φ = 122371200.

The previous prime is 163775329. The next prime is 163775371. The reversal of 163775345 is 543577361.

It is a happy number.

It is not a de Polignac number, because 163775345 - 2⁴ = 163775329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5396 + ... + 18885.

It is an arithmetic number, because the mean of its divisors is an integer number (13112280).

Almost surely, 2^163775345 is an apocalyptic number.

It is an amenable number.

163775345 is a deficient number, since it is larger than the sum of its proper divisors (46021135).

163775345 is a wasteful number, since it uses less digits than its factorization.

163775345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24376.

The product of its digits is 264600, while the sum is 41.

The square root of 163775345 is about 12797.4741648499. The cubic root of 163775345 is about 547.1203152796.

The spelling of 163775345 in words is "one hundred sixty-three million, seven hundred seventy-five thousand, three hundred forty-five".