116571565 has 8 divisors (see below), whose sum is σ = 152602848. Its totient is φ = 84779280.

The previous prime is 116571557. The next prime is 116571617. The reversal of 116571565 is 565175611.

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

It is not a de Polignac number, because 116571565 - 2³ = 116571557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059687 + ... + 1059796.

It is an arithmetic number, because the mean of its divisors is an integer number (19075356).

Almost surely, 2^116571565 is an apocalyptic number.

It is an amenable number.

116571565 is a deficient number, since it is larger than the sum of its proper divisors (36031283).

116571565 is a wasteful number, since it uses less digits than its factorization.

116571565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119499.

The product of its digits is 31500, while the sum is 37.

The square root of 116571565 is about 10796.8312481024. The cubic root of 116571565 is about 488.4995961356.

The spelling of 116571565 in words is "one hundred sixteen million, five hundred seventy-one thousand, five hundred sixty-five".