116664225 has 12 divisors (see below), whose sum is σ = 192884976. Its totient is φ = 62220880.

The previous prime is 116664179. The next prime is 116664263. The reversal of 116664225 is 522466611.

It is not a de Polignac number, because 116664225 - 2⁸ = 116663969 is a prime.

It is a super-2 number, since 2×116664225² = 27221082789701250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777687 + ... + 777836.

It is an arithmetic number, because the mean of its divisors is an integer number (16073748).

Almost surely, 2^116664225 is an apocalyptic number.

116664225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116664225 is a deficient number, since it is larger than the sum of its proper divisors (76220751).

116664225 is a wasteful number, since it uses less digits than its factorization.

116664225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555536 (or 1555531 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 116664225 is about 10801.1214695512. The cubic root of 116664225 is about 488.6289941429.

The spelling of 116664225 in words is "one hundred sixteen million, six hundred sixty-four thousand, two hundred twenty-five".