116551657 has 8 divisors (see below), whose sum is σ = 117589896. Its totient is φ = 115517952.

The previous prime is 116551651. The next prime is 116551679. The reversal of 116551657 is 756155611.

It can be written as a sum of positive squares in 4 ways, for example, as 84107241 + 32444416 = 9171^2 + 5696^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 116551657 - 2¹⁹ = 116027369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116551651) 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, 67833 + ... + 69529.

It is an arithmetic number, because the mean of its divisors is an integer number (14698737).

Almost surely, 2^116551657 is an apocalyptic number.

It is an amenable number.

116551657 is a deficient number, since it is larger than the sum of its proper divisors (1038239).

116551657 is a wasteful number, since it uses less digits than its factorization.

116551657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267.

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

The square root of 116551657 is about 10795.9092715713. The cubic root of 116551657 is about 488.4717860270.

The spelling of 116551657 in words is "one hundred sixteen million, five hundred fifty-one thousand, six hundred fifty-seven".