46781478765616 has 120 divisors (see below), whose sum is σ = 105607421907680. Its totient is φ = 19665608122368.

The previous prime is 46781478765607. The next prime is 46781478765667. The reversal of 46781478765616 is 61656787418764.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 1298998426 + ... + 1299034438.

Almost surely, 2^{46781478765616} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46781478765616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52803710953840).

46781478765616 is an abundant number, since it is smaller than the sum of its proper divisors (58825943142064).

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

46781478765616 is a wasteful number, since it uses less digits than its factorization.

46781478765616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40263 (or 40204 counting only the distinct ones).

The product of its digits is 2275983360, while the sum is 76.

The spelling of 46781478765616 in words is "forty-six trillion, seven hundred eighty-one billion, four hundred seventy-eight million, seven hundred sixty-five thousand, six hundred sixteen".