666703367 has 8 divisors (see below), whose sum is σ = 728030592. Its totient is φ = 605495800.

The previous prime is 666703327. The next prime is 666703423. The reversal of 666703367 is 763307666.

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

It is a cyclic number.

It is not a de Polignac number, because 666703367 - 2¹⁴ = 666686983 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 (666703307) 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, 18053 + ... + 40734.

It is an arithmetic number, because the mean of its divisors is an integer number (91003824).

Almost surely, 2^666703367 is an apocalyptic number.

666703367 is a deficient number, since it is larger than the sum of its proper divisors (61327225).

666703367 is a wasteful number, since it uses less digits than its factorization.

666703367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59829.

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

The square root of 666703367 is about 25820.5996638343. The cubic root of 666703367 is about 873.5964947893.

The spelling of 666703367 in words is "six hundred sixty-six million, seven hundred three thousand, three hundred sixty-seven".