164010643 has 8 divisors (see below), whose sum is σ = 168537600. Its totient is φ = 159516168.

The previous prime is 164010593. The next prime is 164010659. The reversal of 164010643 is 346010461.

164010643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 164010643 - 2²⁵ = 130456211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164050643) 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, 2298 + ... + 18256.

It is an arithmetic number, because the mean of its divisors is an integer number (21067200).

Almost surely, 2^164010643 is an apocalyptic number.

164010643 is a deficient number, since it is larger than the sum of its proper divisors (4526957).

164010643 is a wasteful number, since it uses less digits than its factorization.

164010643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16241.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 164010643 is about 12806.6640074611. The cubic root of 164010643 is about 547.3822080018.

The spelling of 164010643 in words is "one hundred sixty-four million, ten thousand, six hundred forty-three".