190210669 has 6 divisors (see below), whose sum is σ = 209074670. Its totient is φ = 172918680.

The previous prime is 190210661. The next prime is 190210697. The reversal of 190210669 is 966012091.

It can be written as a sum of positive squares in only one way, i.e., 149084100 + 41126569 = 12210^2 + 6413^2 .

It is not a de Polignac number, because 190210669 - 2³ = 190210661 is a prime.

It is a super-2 number, since 2×190210669² = 72360197202855122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190210661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 785874 + ... + 786115.

Almost surely, 2^190210669 is an apocalyptic number.

It is an amenable number.

190210669 is a deficient number, since it is larger than the sum of its proper divisors (18864001).

190210669 is a wasteful number, since it uses less digits than its factorization.

190210669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572011 (or 1572000 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 190210669 is about 13791.6884028026. The cubic root of 190210669 is about 575.1021056230.

The spelling of 190210669 in words is "one hundred ninety million, two hundred ten thousand, six hundred sixty-nine".