116626551 has 4 divisors (see below), whose sum is σ = 155502072. Its totient is φ = 77751032.

The previous prime is 116626529. The next prime is 116626567. The reversal of 116626551 is 155626611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116626551 - 2⁷ = 116626423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116626501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19437756 + ... + 19437761.

It is an arithmetic number, because the mean of its divisors is an integer number (38875518).

Almost surely, 2^116626551 is an apocalyptic number.

116626551 is a deficient number, since it is larger than the sum of its proper divisors (38875521).

116626551 is an equidigital number, since it uses as much as digits as its factorization.

116626551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38875520.

The product of its digits is 10800, while the sum is 33.

The square root of 116626551 is about 10799.3773431620. The cubic root of 116626551 is about 488.5763913545.

The spelling of 116626551 in words is "one hundred sixteen million, six hundred twenty-six thousand, five hundred fifty-one".