16293494680 has 16 divisors (see below), whose sum is σ = 36660363120. Its totient is φ = 6517397856.

The previous prime is 16293494663. The next prime is 16293494681. The reversal of 16293494680 is 8649439261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16293494681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203668644 + ... + 203668723.

It is an arithmetic number, because the mean of its divisors is an integer number (2291272695).

Almost surely, 2^16293494680 is an apocalyptic number.

16293494680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16293494680 is an abundant number, since it is smaller than the sum of its proper divisors (20366868440).

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

16293494680 is a wasteful number, since it uses less digits than its factorization.

16293494680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407337378 (or 407337374 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 16293494680 in words is "sixteen billion, two hundred ninety-three million, four hundred ninety-four thousand, six hundred eighty".