16014287640 has 192 divisors, whose sum is σ = 54962480160. Its totient is φ = 3709992960.

The previous prime is 16014287633. The next prime is 16014287651. The reversal of 16014287640 is 4678241061.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 433080 + ... + 468600.

Almost surely, 2^16014287640 is an apocalyptic number.

16014287640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16014287640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27481240080).

16014287640 is an abundant number, since it is smaller than the sum of its proper divisors (38948192520).

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

16014287640 is a wasteful number, since it uses less digits than its factorization.

16014287640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35582 (or 35561 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 16014287640 in words is "sixteen billion, fourteen million, two hundred eighty-seven thousand, six hundred forty".