190974667 has 16 divisors (see below), whose sum is σ = 208928160. Its totient is φ = 173509632.

The previous prime is 190974631. The next prime is 190974671. The reversal of 190974667 is 766479091.

It is a cyclic number.

It is not a de Polignac number, because 190974667 - 2¹¹ = 190972619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190974667.

It is not an unprimeable number, because it can be changed into a prime (190974697) 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 in 15 ways as a sum of consecutive naturals, for example, 338928 + ... + 339490.

It is an arithmetic number, because the mean of its divisors is an integer number (13058010).

Almost surely, 2^190974667 is an apocalyptic number.

190974667 is a deficient number, since it is larger than the sum of its proper divisors (17953493).

190974667 is a wasteful number, since it uses less digits than its factorization.

190974667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 190974667 is about 13819.3584149193. The cubic root of 190974667 is about 575.8710598649.

The spelling of 190974667 in words is "one hundred ninety million, nine hundred seventy-four thousand, six hundred sixty-seven".