663074965 has 64 divisors (see below), whose sum is σ = 980582400. Its totient is φ = 420837120.

The previous prime is 663074957. The next prime is 663074969. The reversal of 663074965 is 569470366.

663074965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 663074965 - 2³ = 663074957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663074969) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3331936 + ... + 3332134.

It is an arithmetic number, because the mean of its divisors is an integer number (15321600).

Almost surely, 2^663074965 is an apocalyptic number.

It is an amenable number.

663074965 is a deficient number, since it is larger than the sum of its proper divisors (317507435).

663074965 is a wasteful number, since it uses less digits than its factorization.

663074965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 816480, while the sum is 46.

The square root of 663074965 is about 25750.2420376974. The cubic root of 663074965 is about 872.0088187006.

The spelling of 663074965 in words is "six hundred sixty-three million, seventy-four thousand, nine hundred sixty-five".