16461270280 has 64 divisors (see below), whose sum is σ = 45585066240. Its totient is φ = 5209719552.

The previous prime is 16461270263. The next prime is 16461270281. The reversal of 16461270280 is 8207216461.

It is a super-2 number, since 2×16461270280² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16461270281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2257524 + ... + 2264803.

It is an arithmetic number, because the mean of its divisors is an integer number (712266660).

Almost surely, 2^16461270280 is an apocalyptic number.

16461270280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16461270280 is an abundant number, since it is smaller than the sum of its proper divisors (29123795960).

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

16461270280 is a wasteful number, since it uses less digits than its factorization.

16461270280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522358 (or 4522354 counting only the distinct ones).

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

The spelling of 16461270280 in words is "sixteen billion, four hundred sixty-one million, two hundred seventy thousand, two hundred eighty".