667036411 has 4 divisors (see below), whose sum is σ = 672128424. Its totient is φ = 661944400.

The previous prime is 667036379. The next prime is 667036427. The reversal of 667036411 is 114630766.

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 667036411 - 2⁵ = 667036379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667036441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2545810 + ... + 2546071.

It is an arithmetic number, because the mean of its divisors is an integer number (168032106).

Almost surely, 2^667036411 is an apocalyptic number.

667036411 is a deficient number, since it is larger than the sum of its proper divisors (5092013).

667036411 is a wasteful number, since it uses less digits than its factorization.

667036411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092012.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 667036411 is about 25827.0480504451. The cubic root of 667036411 is about 873.7419356018.

The spelling of 667036411 in words is "six hundred sixty-seven million, thirty-six thousand, four hundred eleven".