190207064 has 8 divisors (see below), whose sum is σ = 356638260. Its totient is φ = 95103528.

The previous prime is 190207063. The next prime is 190207109. The reversal of 190207064 is 460702091.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190207063) 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 as a sum of consecutive naturals, namely, 11887934 + ... + 11887949.

Almost surely, 2^190207064 is an apocalyptic number.

It is an amenable number.

190207064 is a deficient number, since it is larger than the sum of its proper divisors (166431196).

190207064 is a wasteful number, since it uses less digits than its factorization.

190207064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23775889 (or 23775885 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 190207064 is about 13791.5577075253. The cubic root of 190207064 is about 575.0984723600.

The spelling of 190207064 in words is "one hundred ninety million, two hundred seven thousand, sixty-four".