118146217 has 16 divisors (see below), whose sum is σ = 139207680. Its totient is φ = 98152128.

The previous prime is 118146211. The next prime is 118146221. The reversal of 118146217 is 712641811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118146217 is a prime.

It is a super-2 number, since 2×118146217² = 27917057182822178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118146211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81384 + ... + 82822.

It is an arithmetic number, because the mean of its divisors is an integer number (8700480).

Almost surely, 2^118146217 is an apocalyptic number.

It is an amenable number.

118146217 is a deficient number, since it is larger than the sum of its proper divisors (21061463).

118146217 is a wasteful number, since it uses less digits than its factorization.

118146217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800.

The product of its digits is 2688, while the sum is 31.

The square root of 118146217 is about 10869.5085905481. The cubic root of 118146217 is about 490.6893213681.

The spelling of 118146217 in words is "one hundred eighteen million, one hundred forty-six thousand, two hundred seventeen".