164641423004 has 12 divisors (see below), whose sum is σ = 288688549800. Its totient is φ = 82158980208.

The previous prime is 164641423003. The next prime is 164641423019. The reversal of 164641423004 is 400324146461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164641423003) 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, 40430534 + ... + 40434605.

It is an arithmetic number, because the mean of its divisors is an integer number (24057379150).

Almost surely, 2^164641423004 is an apocalyptic number.

It is an amenable number.

164641423004 is a deficient number, since it is larger than the sum of its proper divisors (124047126796).

164641423004 is a wasteful number, since it uses less digits than its factorization.

164641423004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80865652 (or 80865650 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 164641423004 its reverse (400324146461), we get a palindrome (564965569465).

The spelling of 164641423004 in words is "one hundred sixty-four billion, six hundred forty-one million, four hundred twenty-three thousand, four".