163012669 has 4 divisors (see below), whose sum is σ = 163038240. Its totient is φ = 162987100.

The previous prime is 163012649. The next prime is 163012673. The reversal of 163012669 is 966210361.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163012669 is a prime.

It is a super-2 number, since 2×163012669² = 53146260509007122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163012649) 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, 5394 + ... + 18844.

It is an arithmetic number, because the mean of its divisors is an integer number (40759560).

Almost surely, 2^163012669 is an apocalyptic number.

It is an amenable number.

163012669 is a deficient number, since it is larger than the sum of its proper divisors (25571).

163012669 is a wasteful number, since it uses less digits than its factorization.

163012669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25570.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 163012669 is about 12767.6414814953. The cubic root of 163012669 is about 546.2697091371.

The spelling of 163012669 in words is "one hundred sixty-three million, twelve thousand, six hundred sixty-nine".