663670036236 has 24 divisors (see below), whose sum is σ = 1550609097520. Its totient is φ = 220931105472.

The previous prime is 663670036217. The next prime is 663670036279. The reversal of 663670036236 is 632630076366.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36520531 + ... + 36538698.

Almost surely, 2^663670036236 is an apocalyptic number.

It is an amenable number.

663670036236 is an abundant number, since it is smaller than the sum of its proper divisors (886939061284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663670036236 is a wasteful number, since it uses less digits than its factorization.

663670036236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73059993 (or 73059991 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 48.

The spelling of 663670036236 in words is "six hundred sixty-three billion, six hundred seventy million, thirty-six thousand, two hundred thirty-six".