163896164 has 6 divisors (see below), whose sum is σ = 286818294. Its totient is φ = 81948080.

The previous prime is 163896157. The next prime is 163896181. The reversal of 163896164 is 461698361.

It is a happy number.

163896164 is nontrivially palindromic in base 15.

163896164 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 can be written as a sum of positive squares in only one way, i.e., 162358564 + 1537600 = 12742^2 + 1240^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20487017 + ... + 20487024.

It is an arithmetic number, because the mean of its divisors is an integer number (47803049).

Almost surely, 2^163896164 is an apocalyptic number.

It is an amenable number.

163896164 is a deficient number, since it is larger than the sum of its proper divisors (122922130).

163896164 is a wasteful number, since it uses less digits than its factorization.

163896164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40974045 (or 40974043 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 163896164 is about 12802.1937182656. The cubic root of 163896164 is about 547.2548212420.

The spelling of 163896164 in words is "one hundred sixty-three million, eight hundred ninety-six thousand, one hundred sixty-four".