116556231 has 8 divisors (see below), whose sum is σ = 169536384. Its totient is φ = 70640120.

The previous prime is 116556229. The next prime is 116556257. The reversal of 116556231 is 132655611.

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 116556231 - 2¹ = 116556229 is a prime.

It is a super-2 number, since 2×116556231² = 27170709969850722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116556221) 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, 1765971 + ... + 1766036.

It is an arithmetic number, because the mean of its divisors is an integer number (21192048).

Almost surely, 2^116556231 is an apocalyptic number.

116556231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116556231 is a deficient number, since it is larger than the sum of its proper divisors (52980153).

116556231 is a wasteful number, since it uses less digits than its factorization.

116556231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532021.

The product of its digits is 5400, while the sum is 30.

The square root of 116556231 is about 10796.1211089910. The cubic root of 116556231 is about 488.4781758710.

The spelling of 116556231 in words is "one hundred sixteen million, five hundred fifty-six thousand, two hundred thirty-one".