116563551 has 16 divisors (see below), whose sum is σ = 168448224. Its totient is φ = 71270784.

The previous prime is 116563549. The next prime is 116563571. The reversal of 116563551 is 155365611.

It is not a de Polignac number, because 116563551 - 2¹ = 116563549 is a prime.

It is a super-2 number, since 2×116563551² = 27174122843459202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116563571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3396 + ... + 15641.

It is an arithmetic number, because the mean of its divisors is an integer number (10528014).

Almost surely, 2^116563551 is an apocalyptic number.

116563551 is a deficient number, since it is larger than the sum of its proper divisors (51884673).

116563551 is a wasteful number, since it uses less digits than its factorization.

116563551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19210.

The product of its digits is 13500, while the sum is 33.

The square root of 116563551 is about 10796.4601143152. The cubic root of 116563551 is about 488.4884015088.

The spelling of 116563551 in words is "one hundred sixteen million, five hundred sixty-three thousand, five hundred fifty-one".