117416643 has 16 divisors (see below), whose sum is σ = 159588000. Its totient is φ = 76769280.

The previous prime is 117416639. The next prime is 117416659. The reversal of 117416643 is 346614711.

It is not a de Polignac number, because 117416643 - 2² = 117416639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117416683) 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 15 ways as a sum of consecutive naturals, for example, 81453 + ... + 82881.

It is an arithmetic number, because the mean of its divisors is an integer number (9974250).

Almost surely, 2^117416643 is an apocalyptic number.

117416643 is a deficient number, since it is larger than the sum of its proper divisors (42171357).

117416643 is a wasteful number, since it uses less digits than its factorization.

117416643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942.

The product of its digits is 12096, while the sum is 33.

The square root of 117416643 is about 10835.8960404758. The cubic root of 117416643 is about 489.6772037532.

The spelling of 117416643 in words is "one hundred seventeen million, four hundred sixteen thousand, six hundred forty-three".