16240249680 has 40 divisors (see below), whose sum is σ = 50344774752. Its totient is φ = 4330733184.

The previous prime is 16240249657. The next prime is 16240249703. The reversal of 16240249680 is 8694204261.

It is an interprime number because it is at equal distance from previous prime (16240249657) and next prime (16240249703).

It is a tau number, because it is divible by the number of its divisors (40).

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, 33833614 + ... + 33834093.

Almost surely, 2^16240249680 is an apocalyptic number.

16240249680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16240249680 is an abundant number, since it is smaller than the sum of its proper divisors (34104525072).

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

16240249680 is a wasteful number, since it uses less digits than its factorization.

16240249680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67667723 (or 67667717 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 16240249680 in words is "sixteen billion, two hundred forty million, two hundred forty-nine thousand, six hundred eighty".