190066537 has 2 divisors, whose sum is σ = 190066538. Its totient is φ = 190066536.

The previous prime is 190066507. The next prime is 190066559. The reversal of 190066537 is 735660091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98883136 + 91183401 = 9944^2 + 9549^2 .

It is a cyclic number.

It is not a de Polignac number, because 190066537 - 2¹¹ = 190064489 is a prime.

It is a super-2 number, since 2×190066537² = 72250576974344738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190066496 and 190066505.

It is not a weakly prime, because it can be changed into another prime (190066507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95033268 + 95033269.

It is an arithmetic number, because the mean of its divisors is an integer number (95033269).

Almost surely, 2^190066537 is an apocalyptic number.

It is an amenable number.

190066537 is a deficient number, since it is larger than the sum of its proper divisors (1).

190066537 is an equidigital number, since it uses as much as digits as its factorization.

190066537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 190066537 is about 13786.4620914867. The cubic root of 190066537 is about 574.9568078457.

The spelling of 190066537 in words is "one hundred ninety million, sixty-six thousand, five hundred thirty-seven".