16183284640 has 192 divisors, whose sum is σ = 42509214720. Its totient is φ = 5794283520.

The previous prime is 16183284631. The next prime is 16183284659. The reversal of 16183284640 is 4648238161.

16183284640 = 386² + 387² + ... + 3649².

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4973254 + ... + 4976506.

It is an arithmetic number, because the mean of its divisors is an integer number (221402160).

Almost surely, 2^16183284640 is an apocalyptic number.

16183284640 is a gapful number since it is divisible by the number (10) 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 16183284640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21254607360).

16183284640 is an abundant number, since it is smaller than the sum of its proper divisors (26325930080).

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

16183284640 is a wasteful number, since it uses less digits than its factorization.

16183284640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375 (or 3367 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 16183284640 in words is "sixteen billion, one hundred eighty-three million, two hundred eighty-four thousand, six hundred forty".