163747066 has 16 divisors (see below), whose sum is σ = 285468480. Its totient is φ = 68987520.

The previous prime is 163747063. The next prime is 163747081. The reversal of 163747066 is 660747361.

163747066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (163747063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98295 + ... + 99946.

It is an arithmetic number, because the mean of its divisors is an integer number (17841780).

Almost surely, 2^163747066 is an apocalyptic number.

163747066 is a deficient number, since it is larger than the sum of its proper divisors (121721414).

163747066 is a wasteful number, since it uses less digits than its factorization.

163747066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198309.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 163747066 is about 12796.3692506898. The cubic root of 163747066 is about 547.0888231443.

The spelling of 163747066 in words is "one hundred sixty-three million, seven hundred forty-seven thousand, sixty-six".