116636431 has 8 divisors (see below), whose sum is σ = 120582000. Its totient is φ = 112743360.

The previous prime is 116636423. The next prime is 116636447. The reversal of 116636431 is 134636611.

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 116636431 - 2³ = 116636423 is a prime.

It is a super-2 number, since 2×116636431² = 27208114072835522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116636393 and 116636402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116636461) 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, 8581 + ... + 17518.

It is an arithmetic number, because the mean of its divisors is an integer number (15072750).

Almost surely, 2^116636431 is an apocalyptic number.

116636431 is a deficient number, since it is larger than the sum of its proper divisors (3945569).

116636431 is a wasteful number, since it uses less digits than its factorization.

116636431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26249.

The product of its digits is 7776, while the sum is 31.

The square root of 116636431 is about 10799.8347672545. The cubic root of 116636431 is about 488.5901875224.

The spelling of 116636431 in words is "one hundred sixteen million, six hundred thirty-six thousand, four hundred thirty-one".