190266101 has 2 divisors, whose sum is σ = 190266102. Its totient is φ = 190266100.

The previous prime is 190266073. The next prime is 190266157. The reversal of 190266101 is 101662091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130188100 + 60078001 = 11410^2 + 7751^2 .

It is a cyclic number.

It is not a de Polignac number, because 190266101 - 2¹⁰ = 190265077 is a prime.

It is a super-3 number, since 3×190266101³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190266001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95133050 + 95133051.

It is an arithmetic number, because the mean of its divisors is an integer number (95133051).

Almost surely, 2^190266101 is an apocalyptic number.

It is an amenable number.

190266101 is a deficient number, since it is larger than the sum of its proper divisors (1).

190266101 is an equidigital number, since it uses as much as digits as its factorization.

190266101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 190266101 is about 13793.6978725793. The cubic root of 190266101 is about 575.1579664287.

The spelling of 190266101 in words is "one hundred ninety million, two hundred sixty-six thousand, one hundred one".