663370007 has 4 divisors (see below), whose sum is σ = 663434016. Its totient is φ = 663306000.

The previous prime is 663369997. The next prime is 663370013. The reversal of 663370007 is 700073366.

It is a happy number.

663370007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 663370007 - 2⁶ = 663369943 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 (663370027) 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, 12494 + ... + 38507.

It is an arithmetic number, because the mean of its divisors is an integer number (165858504).

Almost surely, 2^663370007 is an apocalyptic number.

663370007 is a deficient number, since it is larger than the sum of its proper divisors (64009).

663370007 is a wasteful number, since it uses less digits than its factorization.

663370007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64008.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 663370007 is about 25755.9703175788. The cubic root of 663370007 is about 872.1381359419.

The spelling of 663370007 in words is "six hundred sixty-three million, three hundred seventy thousand, seven".