16085274840 has 80 divisors (see below), whose sum is σ = 54064406880. Its totient is φ = 4289405760.

The previous prime is 16085274833. The next prime is 16085274853. The reversal of 16085274840 is 4847258061.

16085274840 is a `hidden beast` number, since 160 + 8 + 5 + 2 + 7 + 484 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2479056 + ... + 2485535.

It is an arithmetic number, because the mean of its divisors is an integer number (675805086).

Almost surely, 2^16085274840 is an apocalyptic number.

16085274840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16085274840 is an abundant number, since it is smaller than the sum of its proper divisors (37979132040).

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

16085274840 is a wasteful number, since it uses less digits than its factorization.

16085274840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964614 (or 4964601 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 16085274840 in words is "sixteen billion, eighty-five million, two hundred seventy-four thousand, eight hundred forty".