163346045 has 4 divisors (see below), whose sum is σ = 196015260. Its totient is φ = 130676832.

The previous prime is 163346039. The next prime is 163346087. The reversal of 163346045 is 540643361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540643361 = 1201 ⋅450161.

It can be written as a sum of positive squares in 2 ways, for example, as 20376196 + 142969849 = 4514^2 + 11957^2 .

It is a cyclic number.

It is not a de Polignac number, because 163346045 - 2⁶ = 163345981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16334600 + ... + 16334609.

It is an arithmetic number, because the mean of its divisors is an integer number (49003815).

Almost surely, 2^163346045 is an apocalyptic number.

It is an amenable number.

163346045 is a deficient number, since it is larger than the sum of its proper divisors (32669215).

163346045 is an equidigital number, since it uses as much as digits as its factorization.

163346045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32669214.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 163346045 is about 12780.6903178193. The cubic root of 163346045 is about 546.6418462771.

The spelling of 163346045 in words is "one hundred sixty-three million, three hundred forty-six thousand, forty-five".