663714651452 has 24 divisors (see below), whose sum is σ = 1169422984800. Its totient is φ = 329594283200.

The previous prime is 663714651427. The next prime is 663714651461. The reversal of 663714651452 is 254156417366.

It is a self number, because there is not a number n which added to its sum of digits gives 663714651452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5926577 + ... + 6037527.

It is an arithmetic number, because the mean of its divisors is an integer number (48725957700).

Almost surely, 2^663714651452 is an apocalyptic number.

It is an amenable number.

663714651452 is a deficient number, since it is larger than the sum of its proper divisors (505708333348).

663714651452 is a wasteful number, since it uses less digits than its factorization.

663714651452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121141 (or 121139 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 50.

The spelling of 663714651452 in words is "six hundred sixty-three billion, seven hundred fourteen million, six hundred fifty-one thousand, four hundred fifty-two".