667192601 has 8 divisors (see below), whose sum is σ = 683917344. Its totient is φ = 650522880.

The previous prime is 667192577. The next prime is 667192637. The reversal of 667192601 is 106291766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667192601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667192651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11366 + ... + 38256.

It is an arithmetic number, because the mean of its divisors is an integer number (85489668).

Almost surely, 2^667192601 is an apocalyptic number.

It is an amenable number.

667192601 is a deficient number, since it is larger than the sum of its proper divisors (16724743).

667192601 is a wasteful number, since it uses less digits than its factorization.

667192601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27511.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 667192601 is about 25830.0716414028. The cubic root of 667192601 is about 873.8101273328.

The spelling of 667192601 in words is "six hundred sixty-seven million, one hundred ninety-two thousand, six hundred one".