116816555 has 8 divisors (see below), whose sum is σ = 140914944. Its totient is φ = 92963200.

The previous prime is 116816551. The next prime is 116816569. The reversal of 116816555 is 555618611.

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

It is not a de Polignac number, because 116816555 - 2² = 116816551 is a prime.

It is a super-2 number, since 2×116816555² = 27292215044136050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116816551) 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, 60206 + ... + 62115.

It is an arithmetic number, because the mean of its divisors is an integer number (17614368).

Almost surely, 2^116816555 is an apocalyptic number.

116816555 is a deficient number, since it is larger than the sum of its proper divisors (24098389).

116816555 is a wasteful number, since it uses less digits than its factorization.

116816555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122517.

The product of its digits is 36000, while the sum is 38.

The square root of 116816555 is about 10808.1707517970. The cubic root of 116816555 is about 488.8415713981.

The spelling of 116816555 in words is "one hundred sixteen million, eight hundred sixteen thousand, five hundred fifty-five".