663470051767 has 4 divisors (see below), whose sum is σ = 665002315600. Its totient is φ = 661937787936.

The previous prime is 663470051753. The next prime is 663470051791. The reversal of 663470051767 is 767150074366.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 663470051767 - 2⁷ = 663470051639 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 (663470058767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766131267 + ... + 766132132.

It is an arithmetic number, because the mean of its divisors is an integer number (166250578900).

Almost surely, 2^663470051767 is an apocalyptic number.

663470051767 is a deficient number, since it is larger than the sum of its proper divisors (1532263833).

663470051767 is a wasteful number, since it uses less digits than its factorization.

663470051767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532263832.

The product of its (nonzero) digits is 4445280, while the sum is 52.

The spelling of 663470051767 in words is "six hundred sixty-three billion, four hundred seventy million, fifty-one thousand, seven hundred sixty-seven".