190164001 has 2 divisors, whose sum is σ = 190164002. Its totient is φ = 190164000.

The previous prime is 190163999. The next prime is 190164041. The reversal of 190164001 is 100461091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122677776 + 67486225 = 11076^2 + 8215^2 .

It is a cyclic number.

It is not a de Polignac number, because 190164001 - 2¹ = 190163999 is a prime.

Together with 190163999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (190164041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95082000 + 95082001.

It is an arithmetic number, because the mean of its divisors is an integer number (95082001).

Almost surely, 2^190164001 is an apocalyptic number.

It is an amenable number.

190164001 is a deficient number, since it is larger than the sum of its proper divisors (1).

190164001 is an equidigital number, since it uses as much as digits as its factorization.

190164001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 190164001 is about 13789.9964104419. The cubic root of 190164001 is about 575.0550681979.

The spelling of 190164001 in words is "one hundred ninety million, one hundred sixty-four thousand, one".