16600140638 has 8 divisors (see below), whose sum is σ = 24980276880. Its totient is φ = 8273381680.

The previous prime is 16600140629. The next prime is 16600140691. The reversal of 16600140638 is 83604100661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 16600140598 and 16600140607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13343543 + ... + 13344786.

It is an arithmetic number, because the mean of its divisors is an integer number (3122534610).

Almost surely, 2^16600140638 is an apocalyptic number.

16600140638 is a deficient number, since it is larger than the sum of its proper divisors (8380136242).

16600140638 is a wasteful number, since it uses less digits than its factorization.

16600140638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26688642.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 16600140638 in words is "sixteen billion, six hundred million, one hundred forty thousand, six hundred thirty-eight".