1117666455 has 16 divisors (see below), whose sum is σ = 1801920384. Its totient is φ = 591537440.

The previous prime is 1117666453. The next prime is 1117666499. The reversal of 1117666455 is 5546667111.

It is a happy number.

1117666455 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1117666455 - 2¹ = 1117666453 is a prime.

It is a super-3 number, since 3×1117666455³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117666453) 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, 282429 + ... + 286358.

It is an arithmetic number, because the mean of its divisors is an integer number (112620024).

Almost surely, 2^1117666455 is an apocalyptic number.

1117666455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1117666455 is a deficient number, since it is larger than the sum of its proper divisors (684253929).

1117666455 is a wasteful number, since it uses less digits than its factorization.

1117666455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568926.

The product of its digits is 151200, while the sum is 42.

The square root of 1117666455 is about 33431.5188856265. The cubic root of 1117666455 is about 1037.7770737218. Note that the first 3 decimals are identical.

The spelling of 1117666455 in words is "one billion, one hundred seventeen million, six hundred sixty-six thousand, four hundred fifty-five".