16545835580 has 12 divisors (see below), whose sum is σ = 34746254760. Its totient is φ = 6618334224.

The previous prime is 16545835573. The next prime is 16545835591. The reversal of 16545835580 is 8553854561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413645870 + ... + 413645909.

It is an arithmetic number, because the mean of its divisors is an integer number (2895521230).

Almost surely, 2^16545835580 is an apocalyptic number.

16545835580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16545835580 is an abundant number, since it is smaller than the sum of its proper divisors (18200419180).

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

16545835580 is a wasteful number, since it uses less digits than its factorization.

16545835580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827291788 (or 827291786 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 50.

The spelling of 16545835580 in words is "sixteen billion, five hundred forty-five million, eight hundred thirty-five thousand, five hundred eighty".