63428686926960 has 160 divisors (see below), whose sum is σ = 201643963960320. Its totient is φ = 16483813632000.

The previous prime is 63428686926893. The next prime is 63428686926977. The reversal of 63428686926960 is 6962968682436.

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 31 ways as a sum of consecutive naturals, for example, 5535885 + ... + 12550035.

It is an arithmetic number, because the mean of its divisors is an integer number (1260274774752).

Almost surely, 2^{63428686926960} is an apocalyptic number.

63428686926960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63428686926960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100821981980160).

63428686926960 is an abundant number, since it is smaller than the sum of its proper divisors (138215277033360).

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

63428686926960 is a wasteful number, since it uses less digits than its factorization.

63428686926960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7015127 (or 7015121 counting only the distinct ones).

The product of its (nonzero) digits is 1934917632, while the sum is 75.

The spelling of 63428686926960 in words is "sixty-three trillion, four hundred twenty-eight billion, six hundred eighty-six million, nine hundred twenty-six thousand, nine hundred sixty".