163012893 has 4 divisors (see below), whose sum is σ = 217350528. Its totient is φ = 108675260.

The previous prime is 163012867. The next prime is 163012897. The reversal of 163012893 is 398210361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163012893 - 2¹⁰ = 163011869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163012897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27168813 + ... + 27168818.

It is an arithmetic number, because the mean of its divisors is an integer number (54337632).

Almost surely, 2^163012893 is an apocalyptic number.

It is an amenable number.

163012893 is a deficient number, since it is larger than the sum of its proper divisors (54337635).

163012893 is an equidigital number, since it uses as much as digits as its factorization.

163012893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54337634.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 163012893 is about 12767.6502536684. The cubic root of 163012893 is about 546.2699593515.

The spelling of 163012893 in words is "one hundred sixty-three million, twelve thousand, eight hundred ninety-three".