16727806746 has 64 divisors (see below), whose sum is σ = 42665875200. Its totient is φ = 4758835968.

The previous prime is 16727806741. The next prime is 16727806751. The reversal of 16727806746 is 64760872761.

It is an interprime number because it is at equal distance from previous prime (16727806741) and next prime (16727806751).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 16727806692 and 16727806701.

It is not an unprimeable number, because it can be changed into a prime (16727806741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6891 + ... + 183038.

It is an arithmetic number, because the mean of its divisors is an integer number (666654300).

Almost surely, 2^16727806746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16727806746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21332937600).

16727806746 is an abundant number, since it is smaller than the sum of its proper divisors (25938068454).

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

16727806746 is a wasteful number, since it uses less digits than its factorization.

16727806746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190180 (or 190174 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 16727806746 in words is "sixteen billion, seven hundred twenty-seven million, eight hundred six thousand, seven hundred forty-six".