663032017 has 8 divisors (see below), whose sum is σ = 715717440. Its totient is φ = 612334800.

The previous prime is 663031991. The next prime is 663032059. The reversal of 663032017 is 710230366.

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-663032017 is a prime.

It is a super-2 number, since 2×663032017² = 879222911134176578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663032077) 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, 496359 + ... + 497692.

It is an arithmetic number, because the mean of its divisors is an integer number (89464680).

Almost surely, 2^663032017 is an apocalyptic number.

It is an amenable number.

663032017 is a deficient number, since it is larger than the sum of its proper divisors (52685423).

663032017 is a wasteful number, since it uses less digits than its factorization.

663032017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994103.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 663032017 is about 25749.4080902843. The cubic root of 663032017 is about 871.9899913456.

It can be divided in two parts, 6630 and 32017, that multiplied together give a triangular number (212272710 = T₂₀₆₀₄).

The spelling of 663032017 in words is "six hundred sixty-three million, thirty-two thousand, seventeen".