163492109 has 16 divisors (see below), whose sum is σ = 184909824. Its totient is φ = 143209200.

The previous prime is 163492103. The next prime is 163492117. The reversal of 163492109 is 901294361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163492109 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163492103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88772 + ... + 90594.

It is an arithmetic number, because the mean of its divisors is an integer number (11556864).

Almost surely, 2^163492109 is an apocalyptic number.

It is an amenable number.

163492109 is a deficient number, since it is larger than the sum of its proper divisors (21417715).

163492109 is a wasteful number, since it uses less digits than its factorization.

163492109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 163492109 is about 12786.4032863038. The cubic root of 163492109 is about 546.8047334112.

The spelling of 163492109 in words is "one hundred sixty-three million, four hundred ninety-two thousand, one hundred nine".