1481863656 has 384 divisors, whose sum is σ = 5017420800. Its totient is φ = 355829760.

The previous prime is 1481863639. The next prime is 1481863661. The reversal of 1481863656 is 6563681841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22117335 + ... + 22117401.

It is an arithmetic number, because the mean of its divisors is an integer number (13066200).

Almost surely, 2^1481863656 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 1481863656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2508710400).

1481863656 is an abundant number, since it is smaller than the sum of its proper divisors (3535557144).

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

1481863656 is a wasteful number, since it uses less digits than its factorization.

1481863656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 152 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 1481863656 is about 38494.9822184658. The cubic root of 1481863656 is about 1140.0819824082.

The spelling of 1481863656 in words is "one billion, four hundred eighty-one million, eight hundred sixty-three thousand, six hundred fifty-six".