116667945 has 48 divisors (see below), whose sum is σ = 211603392. Its totient is φ = 61663680.

The previous prime is 116667917. The next prime is 116667979. The reversal of 116667945 is 549766611.

It is not a de Polignac number, because 116667945 - 2⁸ = 116667689 is a prime.

It is a super-2 number, since 2×116667945² = 27222818781046050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 116667945.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158799 + ... + 159531.

It is an arithmetic number, because the mean of its divisors is an integer number (4408404).

Almost surely, 2^116667945 is an apocalyptic number.

116667945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116667945 is a deficient number, since it is larger than the sum of its proper divisors (94935447).

116667945 is an equidigital number, since it uses as much as digits as its factorization.

116667945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 872 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 116667945 is about 10801.2936725190. The cubic root of 116667945 is about 488.6341876246.

The spelling of 116667945 in words is "one hundred sixteen million, six hundred sixty-seven thousand, nine hundred forty-five".