163085746 has 4 divisors (see below), whose sum is σ = 244628622. Its totient is φ = 81542872.

The previous prime is 163085719. The next prime is 163085749. The reversal of 163085746 is 647580361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 118048225 + 45037521 = 10865^2 + 6711^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 163085699 and 163085708.

It is not an unprimeable number, because it can be changed into a prime (163085749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40771435 + ... + 40771438.

Almost surely, 2^163085746 is an apocalyptic number.

163085746 is a deficient number, since it is larger than the sum of its proper divisors (81542876).

163085746 is an equidigital number, since it uses as much as digits as its factorization.

163085746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81542875.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 163085746 is about 12770.5029658193. The cubic root of 163085746 is about 546.3513260814.

The spelling of 163085746 in words is "one hundred sixty-three million, eighty-five thousand, seven hundred forty-six".