16486863120 has 800 divisors, whose sum is σ = 71627415552. Its totient is φ = 3421937664.

The previous prime is 16486863097. The next prime is 16486863121. The reversal of 16486863120 is 2136868461.

16486863120 is a `hidden beast` number, since 1 + 6 + 4 + 8 + 6 + 8 + 631 + 2 + 0 = 666.

It is a super-2 number, since 2×16486863120² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (16486863121) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 43046449 + ... + 43046831.

Almost surely, 2^16486863120 is an apocalyptic number.

16486863120 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 16486863120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35813707776).

16486863120 is an abundant number, since it is smaller than the sum of its proper divisors (55140552432).

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

16486863120 is a wasteful number, since it uses less digits than its factorization.

16486863120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 16486863120 in words is "sixteen billion, four hundred eighty-six million, eight hundred sixty-three thousand, one hundred twenty".