64118133 has 12 divisors (see below), whose sum is σ = 93533388. Its totient is φ = 42321600.

The previous prime is 64118123. The next prime is 64118143. The reversal of 64118133 is 33181146.

64118133 is a `hidden beast` number, since 641 + 1 + 8 + 13 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (64118123) and next prime (64118143).

It can be written as a sum of positive squares in 2 ways, for example, as 61355889 + 2762244 = 7833^2 + 1662^2 .

It is not a de Polignac number, because 64118133 - 2¹⁷ = 63987061 is a prime.

It is a super-2 number, since 2×64118133² = 8222269958811378, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64118097 and 64118106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64118113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34360 + ... + 36177.

It is an arithmetic number, because the mean of its divisors is an integer number (7794449).

Almost surely, 2^64118133 is an apocalyptic number.

It is an amenable number.

64118133 is a deficient number, since it is larger than the sum of its proper divisors (29415255).

64118133 is a wasteful number, since it uses less digits than its factorization.

64118133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70644 (or 70641 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 64118133 is about 8007.3799085594. The cubic root of 64118133 is about 400.2459591459.

Adding to 64118133 its reverse (33181146), we get a palindrome (97299279).

The spelling of 64118133 in words is "sixty-four million, one hundred eighteen thousand, one hundred thirty-three".