16461246440 has 32 divisors (see below), whose sum is σ = 37077000480. Its totient is φ = 6577530432.

The previous prime is 16461246437. The next prime is 16461246457. The reversal of 16461246440 is 4464216461.

It is a junction number, because it is equal to n+sod(n) for n = 16461246394 and 16461246403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179402 + ... + 255161.

It is an arithmetic number, because the mean of its divisors is an integer number (1158656265).

Almost surely, 2^16461246440 is an apocalyptic number.

16461246440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16461246440 is an abundant number, since it is smaller than the sum of its proper divisors (20615754040).

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

16461246440 is a wasteful number, since it uses less digits than its factorization.

16461246440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435521 (or 435517 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 16461246440 in words is "sixteen billion, four hundred sixty-one million, two hundred forty-six thousand, four hundred forty".