16278019260 has 96 divisors (see below), whose sum is σ = 47058665472. Its totient is φ = 4201505280.

The previous prime is 16278019243. The next prime is 16278019273. The reversal of 16278019260 is 6291087261.

It is a super-2 number, since 2×16278019260² (a number of 21 digits) contains 22 as substring.

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, 286369 + ... + 338471.

It is an arithmetic number, because the mean of its divisors is an integer number (490194432).

Almost surely, 2^16278019260 is an apocalyptic number.

16278019260 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 16278019260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23529332736).

16278019260 is an abundant number, since it is smaller than the sum of its proper divisors (30780646212).

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

16278019260 is a wasteful number, since it uses less digits than its factorization.

16278019260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52283 (or 52281 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 16278019260 in words is "sixteen billion, two hundred seventy-eight million, nineteen thousand, two hundred sixty".