1463637636672 has 224 divisors, whose sum is σ = 4022696755200. Its totient is φ = 469169971200.

The previous prime is 1463637636667. The next prime is 1463637636679. The reversal of 1463637636672 is 2766367363641.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1463637636679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 982966104 + ... + 982967592.

Almost surely, 2^{1463637636672} is an apocalyptic number.

1463637636672 is a gapful number since it is divisible by the number (12) 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 1463637636672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2011348377600).

1463637636672 is an abundant number, since it is smaller than the sum of its proper divisors (2559059118528).

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

1463637636672 is a wasteful number, since it uses less digits than its factorization.

1463637636672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465 (or 2455 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 60.

The spelling of 1463637636672 in words is "one trillion, four hundred sixty-three billion, six hundred thirty-seven million, six hundred thirty-six thousand, six hundred seventy-two".