667036367 has 4 divisors (see below), whose sum is σ = 670528896. Its totient is φ = 663543840.

The previous prime is 667036351. The next prime is 667036373. The reversal of 667036367 is 763630766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 763630766 = 2 ⋅381815383.

It is a cyclic number.

It is not a de Polignac number, because 667036367 - 2⁴ = 667036351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667036567) 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, 1745978 + ... + 1746359.

It is an arithmetic number, because the mean of its divisors is an integer number (167632224).

Almost surely, 2^667036367 is an apocalyptic number.

667036367 is a deficient number, since it is larger than the sum of its proper divisors (3492529).

667036367 is a wasteful number, since it uses less digits than its factorization.

667036367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492528.

The product of its (nonzero) digits is 571536, while the sum is 44.

The square root of 667036367 is about 25827.0471986249. The cubic root of 667036367 is about 873.7419163901.

The spelling of 667036367 in words is "six hundred sixty-seven million, thirty-six thousand, three hundred sixty-seven".