116191018868664 has 32 divisors (see below), whose sum is σ = 290477870874000. Its totient is φ = 38730296462592.

The previous prime is 116191018868647. The next prime is 116191018868669. The reversal of 116191018868664 is 466868810191611.

It is a super-2 number, since 2×116191018868664² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 116191018868595 and 116191018868604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116191018868669) 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, 25158222 + ... + 29416290.

Almost surely, 2^{116191018868664} is an apocalyptic number.

It is an amenable number.

116191018868664 is an abundant number, since it is smaller than the sum of its proper divisors (174286852005336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116191018868664 is a wasteful number, since it uses less digits than its factorization.

116191018868664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395047 (or 5395043 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 66.

The spelling of 116191018868664 in words is "one hundred sixteen trillion, one hundred ninety-one billion, eighteen million, eight hundred sixty-eight thousand, six hundred sixty-four".