63091080 has 288 divisors, whose sum is σ = 238946760. Its totient is φ = 14376960.

The previous prime is 63091069. The next prime is 63091081. The reversal of 63091080 is 8019036.

It can be written as a sum of positive squares in 12 ways, for example, as 3090564 + 60000516 = 1758^2 + 7746^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63091081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1034250 + ... + 1034310.

Almost surely, 2^63091080 is an apocalyptic number.

63091080 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 63091080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119473380).

63091080 is an abundant number, since it is smaller than the sum of its proper divisors (175855680).

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

63091080 is a wasteful number, since it uses less digits than its factorization.

63091080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 63091080 is about 7942.9893616950. The cubic root of 63091080 is about 398.0973811189.

The spelling of 63091080 in words is "sixty-three million, ninety-one thousand, eighty".