164004046 has 4 divisors (see below), whose sum is σ = 246006072. Its totient is φ = 82002022.

The previous prime is 164004041. The next prime is 164004073. The reversal of 164004046 is 640400461.

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

It is a self number, because there is not a number n which added to its sum of digits gives 164004046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164004041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41001010 + ... + 41001013.

It is an arithmetic number, because the mean of its divisors is an integer number (61501518).

Almost surely, 2^164004046 is an apocalyptic number.

164004046 is a deficient number, since it is larger than the sum of its proper divisors (82002026).

164004046 is an equidigital number, since it uses as much as digits as its factorization.

164004046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82002025.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 164004046 is about 12806.4064436516. The cubic root of 164004046 is about 547.3748687853.

The spelling of 164004046 in words is "one hundred sixty-four million, four thousand, forty-six".