16277516416 has 32 divisors (see below), whose sum is σ = 37060418880. Its totient is φ = 6976078080.

The previous prime is 16277516389. The next prime is 16277516441. The reversal of 16277516416 is 61461577261.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9082540 + ... + 9084331.

It is an arithmetic number, because the mean of its divisors is an integer number (1158138090).

Almost surely, 2^16277516416 is an apocalyptic number.

16277516416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16277516416 is an abundant number, since it is smaller than the sum of its proper divisors (20782902464).

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

16277516416 is an equidigital number, since it uses as much as digits as its factorization.

16277516416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18166892 (or 18166880 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The spelling of 16277516416 in words is "sixteen billion, two hundred seventy-seven million, five hundred sixteen thousand, four hundred sixteen".