16406527682 has 4 divisors (see below), whose sum is σ = 24609791526. Its totient is φ = 8203263840.

The previous prime is 16406527681. The next prime is 16406527729. The reversal of 16406527682 is 28672560461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28672560461 = 9011 ⋅3181951.

It can be written as a sum of positive squares in only one way, i.e., 12427567441 + 3978960241 = 111479^2 + 63079^2 .

It is not an unprimeable number, because it can be changed into a prime (16406527681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4101631919 + ... + 4101631922.

Almost surely, 2^16406527682 is an apocalyptic number.

16406527682 is a deficient number, since it is larger than the sum of its proper divisors (8203263844).

16406527682 is an equidigital number, since it uses as much as digits as its factorization.

16406527682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8203263843.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 16406527682 in words is "sixteen billion, four hundred six million, five hundred twenty-seven thousand, six hundred eighty-two".