163609814 has 8 divisors (see below), whose sum is σ = 245834568. Its totient is φ = 81664960.

The previous prime is 163609807. The next prime is 163609837. The reversal of 163609814 is 418906361.

163609814 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×163609814² = 53536342474229192, which contains 22 as substring.

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, 68507 + ... + 70854.

It is an arithmetic number, because the mean of its divisors is an integer number (30729321).

Almost surely, 2^163609814 is an apocalyptic number.

163609814 is a deficient number, since it is larger than the sum of its proper divisors (82224754).

163609814 is a wasteful number, since it uses less digits than its factorization.

163609814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139950.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 163609814 is about 12791.0051989670. The cubic root of 163609814 is about 546.9359246802.

The spelling of 163609814 in words is "one hundred sixty-three million, six hundred nine thousand, eight hundred fourteen".