667036390 has 8 divisors (see below), whose sum is σ = 1200665520. Its totient is φ = 266814552.

The previous prime is 667036379. The next prime is 667036427. The reversal of 667036390 is 93630766.

667036390 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33351810 + ... + 33351829.

It is an arithmetic number, because the mean of its divisors is an integer number (150083190).

Almost surely, 2^667036390 is an apocalyptic number.

667036390 is a deficient number, since it is larger than the sum of its proper divisors (533629130).

667036390 is a wasteful number, since it uses less digits than its factorization.

667036390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66703646.

The product of its (nonzero) digits is 122472, while the sum is 40.

The square root of 667036390 is about 25827.0476438946. The cubic root of 667036390 is about 873.7419264326.

The spelling of 667036390 in words is "six hundred sixty-seven million, thirty-six thousand, three hundred ninety".