164220801 has 8 divisors (see below), whose sum is σ = 219040320. Its totient is φ = 109440912.

The previous prime is 164220787. The next prime is 164220809. The reversal of 164220801 is 108022461.

164220801 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 not a de Polignac number, because 164220801 - 2⁷ = 164220673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164220809) 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, 1711 + ... + 18203.

It is an arithmetic number, because the mean of its divisors is an integer number (27380040).

Almost surely, 2^164220801 is an apocalyptic number.

It is an amenable number.

164220801 is a deficient number, since it is larger than the sum of its proper divisors (54819519).

164220801 is a wasteful number, since it uses less digits than its factorization.

164220801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19815.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 164220801 is about 12814.8664058585. The cubic root of 164220801 is about 547.6159075718.

The spelling of 164220801 in words is "one hundred sixty-four million, two hundred twenty thousand, eight hundred one".