16278401260 has 48 divisors (see below), whose sum is σ = 37405170432. Its totient is φ = 5901508800.

The previous prime is 16278401233. The next prime is 16278401281. The reversal of 16278401260 is 6210487261.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38952 + ... + 184591.

It is an arithmetic number, because the mean of its divisors is an integer number (779274384).

Almost surely, 2^16278401260 is an apocalyptic number.

16278401260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16278401260 is an abundant number, since it is smaller than the sum of its proper divisors (21126769172).

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

16278401260 is a wasteful number, since it uses less digits than its factorization.

16278401260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223894 (or 223892 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 16278401260 in words is "sixteen billion, two hundred seventy-eight million, four hundred one thousand, two hundred sixty".