116997966 has 16 divisors (see below), whose sum is σ = 259995600. Its totient is φ = 38999304.

The previous prime is 116997949. The next prime is 116997983. The reversal of 116997966 is 669799611.

It is an interprime number because it is at equal distance from previous prime (116997949) and next prime (116997983).

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2166629 = 116997966 / (1 + 1 + 6 + 9 + 9 + 7 + 9 + 6 + 6).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083261 + ... + 1083368.

It is an arithmetic number, because the mean of its divisors is an integer number (16249725).

Almost surely, 2^116997966 is an apocalyptic number.

116997966 is an abundant number, since it is smaller than the sum of its proper divisors (142997634).

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

116997966 is a wasteful number, since it uses less digits than its factorization.

116997966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166640 (or 2166634 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 54.

The square root of 116997966 is about 10816.5598043001. The cubic root of 116997966 is about 489.0944903782.

The spelling of 116997966 in words is "one hundred sixteen million, nine hundred ninety-seven thousand, nine hundred sixty-six".