16693266240 has 896 divisors, whose sum is σ = 72176640000. Its totient is φ = 3547348992.

The previous prime is 16693266197. The next prime is 16693266241. The reversal of 16693266240 is 4266239661.

16693266240 is a `hidden beast` number, since 1 + 66 + 93 + 266 + 240 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16693266241) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 83885661 + ... + 83885859.

Almost surely, 2^16693266240 is an apocalyptic number.

16693266240 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 16693266240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36088320000).

16693266240 is an abundant number, since it is smaller than the sum of its proper divisors (55483373760).

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

16693266240 is a wasteful number, since it uses less digits than its factorization.

16693266240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 16693266240 in words is "sixteen billion, six hundred ninety-three million, two hundred sixty-six thousand, two hundred forty".