63204563091456 has 320 divisors, whose sum is σ = 198289391256000. Its totient is φ = 19828807041024.

The previous prime is 63204563091437. The next prime is 63204563091463. The reversal of 63204563091456 is 65419036540236.

63204563091456 is a `hidden beast` number, since 6 + 3 + 2 + 0 + 45 + 63 + 0 + 91 + 456 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240516871 + ... + 240779513.

It is an arithmetic number, because the mean of its divisors is an integer number (619654347675).

Almost surely, 2^{63204563091456} 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 63204563091456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99144695628000).

63204563091456 is an abundant number, since it is smaller than the sum of its proper divisors (135084828164544).

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

63204563091456 is an frugal number, since it uses more digits than its factorization.

63204563091456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262707 (or 262665 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 54.

The spelling of 63204563091456 in words is "sixty-three trillion, two hundred four billion, five hundred sixty-three million, ninety-one thousand, four hundred fifty-six".