190071565 has 8 divisors (see below), whose sum is σ = 230300928. Its totient is φ = 150580560.

The previous prime is 190071559. The next prime is 190071569. The reversal of 190071565 is 565170091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-190071565 is a prime.

It is a super-2 number, since 2×190071565² = 72254399643098450, which contains 22 as substring.

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 190071565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190071569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184021 + ... + 185050.

It is an arithmetic number, because the mean of its divisors is an integer number (28787616).

Almost surely, 2^190071565 is an apocalyptic number.

It is an amenable number.

190071565 is a deficient number, since it is larger than the sum of its proper divisors (40229363).

190071565 is a wasteful number, since it uses less digits than its factorization.

190071565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369179.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 190071565 is about 13786.6444430833. The cubic root of 190071565 is about 574.9618777498.

The spelling of 190071565 in words is "one hundred ninety million, seventy-one thousand, five hundred sixty-five".