164590946 has 8 divisors (see below), whose sum is σ = 265877724. Its totient is φ = 75965040.

The previous prime is 164590919. The next prime is 164590949. The reversal of 164590946 is 649095461.

It can be written as a sum of positive squares in 2 ways, for example, as 164121721 + 469225 = 12811^2 + 685^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 164590897 and 164590906.

It is not an unprimeable number, because it can be changed into a prime (164590949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3165185 + ... + 3165236.

Almost surely, 2^164590946 is an apocalyptic number.

164590946 is a deficient number, since it is larger than the sum of its proper divisors (101286778).

164590946 is a wasteful number, since it uses less digits than its factorization.

164590946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330436.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 164590946 is about 12829.3002926894. The cubic root of 164590946 is about 548.0270312736.

The spelling of 164590946 in words is "one hundred sixty-four million, five hundred ninety thousand, nine hundred forty-six".