116662571 has 4 divisors (see below), whose sum is σ = 116689944. Its totient is φ = 116635200.

The previous prime is 116662549. The next prime is 116662583. The reversal of 116662571 is 175266611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 175266611 = 13 ⋅13482047.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116662571 is a prime.

It is a super-2 number, since 2×116662571² = 27220310944660082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116662471) 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 3 ways as a sum of consecutive naturals, for example, 5765 + ... + 16326.

It is an arithmetic number, because the mean of its divisors is an integer number (29172486).

Almost surely, 2^116662571 is an apocalyptic number.

116662571 is a deficient number, since it is larger than the sum of its proper divisors (27373).

116662571 is an equidigital number, since it uses as much as digits as its factorization.

116662571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27372.

The product of its digits is 15120, while the sum is 35.

The square root of 116662571 is about 10801.0449031564. The cubic root of 116662571 is about 488.6266849627.

The spelling of 116662571 in words is "one hundred sixteen million, six hundred sixty-two thousand, five hundred seventy-one".