190016693 has 2 divisors, whose sum is σ = 190016694. Its totient is φ = 190016692.

The previous prime is 190016689. The next prime is 190016707. The reversal of 190016693 is 396610091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185449924 + 4566769 = 13618^2 + 2137^2 .

It is a cyclic number.

It is not a de Polignac number, because 190016693 - 2² = 190016689 is a prime.

It is a super-2 number, since 2×190016693² = 72212687237312498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190006693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95008346 + 95008347.

It is an arithmetic number, because the mean of its divisors is an integer number (95008347).

Almost surely, 2^190016693 is an apocalyptic number.

It is an amenable number.

190016693 is a deficient number, since it is larger than the sum of its proper divisors (1).

190016693 is an equidigital number, since it uses as much as digits as its factorization.

190016693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 190016693 is about 13784.6542575431. The cubic root of 190016693 is about 574.9065436013.

The spelling of 190016693 in words is "one hundred ninety million, sixteen thousand, six hundred ninety-three".