63390611672 has 16 divisors (see below), whose sum is σ = 118894483800. Its totient is φ = 31685416000.

The previous prime is 63390611659. The next prime is 63390611699. The reversal of 63390611672 is 27611609336.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208954 + ... + 1260297.

Almost surely, 2^63390611672 is an apocalyptic number.

It is an amenable number.

63390611672 is a deficient number, since it is larger than the sum of its proper divisors (55503872128).

63390611672 is a wasteful number, since it uses less digits than its factorization.

63390611672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472466 (or 2472462 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 63390611672 in words is "sixty-three billion, three hundred ninety million, six hundred eleven thousand, six hundred seventy-two".