16463987232 has 192 divisors, whose sum is σ = 55136277504. Its totient is φ = 4176829440.

The previous prime is 16463987231. The next prime is 16463987233. The reversal of 16463987232 is 23278936461.

It is an interprime number because it is at equal distance from previous prime (16463987231) and next prime (16463987233).

It is not an unprimeable number, because it can be changed into a prime (16463987231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291958 + ... + 343754.

It is an arithmetic number, because the mean of its divisors is an integer number (287168112).

Almost surely, 2^16463987232 is an apocalyptic number.

16463987232 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 16463987232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27568138752).

16463987232 is an abundant number, since it is smaller than the sum of its proper divisors (38672290272).

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

16463987232 is a wasteful number, since it uses less digits than its factorization.

16463987232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51871 (or 51863 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The spelling of 16463987232 in words is "sixteen billion, four hundred sixty-three million, nine hundred eighty-seven thousand, two hundred thirty-two".