16249840880 has 160 divisors (see below), whose sum is σ = 47138066304. Its totient is φ = 5072191488.

The previous prime is 16249840879. The next prime is 16249840939. The reversal of 16249840880 is 8804894261.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 516152 + ... + 546728.

Almost surely, 2^16249840880 is an apocalyptic number.

16249840880 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 16249840880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23569033152).

16249840880 is an abundant number, since it is smaller than the sum of its proper divisors (30888225424).

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

16249840880 is a wasteful number, since it uses less digits than its factorization.

16249840880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30683 (or 30677 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 16249840880 in words is "sixteen billion, two hundred forty-nine million, eight hundred forty thousand, eight hundred eighty".