667675115 has 4 divisors (see below), whose sum is σ = 801210144. Its totient is φ = 534140088.

The previous prime is 667675111. The next prime is 667675133. The reversal of 667675115 is 511576766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 667675115 - 2² = 667675111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667675111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66767507 + ... + 66767516.

It is an arithmetic number, because the mean of its divisors is an integer number (200302536).

Almost surely, 2^667675115 is an apocalyptic number.

667675115 is a deficient number, since it is larger than the sum of its proper divisors (133535029).

667675115 is a wasteful number, since it uses less digits than its factorization.

667675115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133535028.

The product of its digits is 264600, while the sum is 44.

The square root of 667675115 is about 25839.4101132359. The cubic root of 667675115 is about 874.0207232038.

It can be divided in two parts, 6676751 and 15, that added together give a palindrome (6676766).

The spelling of 667675115 in words is "six hundred sixty-seven million, six hundred seventy-five thousand, one hundred fifteen".