16680147826 has 8 divisors (see below), whose sum is σ = 25020802224. Its totient is φ = 8339880420.

The previous prime is 16680147821. The next prime is 16680147829. The reversal of 16680147826 is 62874108661.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16680147826.

It is not an unprimeable number, because it can be changed into a prime (16680147821) 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, 65281 + ... + 193963.

It is an arithmetic number, because the mean of its divisors is an integer number (3127600278).

Almost surely, 2^16680147826 is an apocalyptic number.

16680147826 is a deficient number, since it is larger than the sum of its proper divisors (8340654398).

16680147826 is a wasteful number, since it uses less digits than its factorization.

16680147826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193496.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 16680147826 in words is "sixteen billion, six hundred eighty million, one hundred forty-seven thousand, eight hundred twenty-six".