63120412646 has 16 divisors (see below), whose sum is σ = 96477185808. Its totient is φ = 30961476000.

The previous prime is 63120412627. The next prime is 63120412661. The reversal of 63120412646 is 64621402136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214861 + ... + 1265751.

It is an arithmetic number, because the mean of its divisors is an integer number (6029824113).

Almost surely, 2^63120412646 is an apocalyptic number.

63120412646 is a deficient number, since it is larger than the sum of its proper divisors (33356773162).

63120412646 is a wasteful number, since it uses less digits than its factorization.

63120412646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62647.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 63120412646 in words is "sixty-three billion, one hundred twenty million, four hundred twelve thousand, six hundred forty-six".