16756534140 has 24 divisors (see below), whose sum is σ = 46918295760. Its totient is φ = 4468409088.

The previous prime is 16756534097. The next prime is 16756534187. The reversal of 16756534140 is 4143565761.

It is a junction number, because it is equal to n+sod(n) for n = 16756534092 and 16756534101.

It is a congruent number.

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, 139637725 + ... + 139637844.

It is an arithmetic number, because the mean of its divisors is an integer number (1954928990).

Almost surely, 2^16756534140 is an apocalyptic number.

16756534140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16756534140 is an abundant number, since it is smaller than the sum of its proper divisors (30161761620).

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

16756534140 is a wasteful number, since it uses less digits than its factorization.

16756534140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279275581 (or 279275579 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 16756534140 in words is "sixteen billion, seven hundred fifty-six million, five hundred thirty-four thousand, one hundred forty".