16989226527 has 32 divisors (see below), whose sum is σ = 27968969728. Its totient is φ = 8932674816.

The previous prime is 16989226519. The next prime is 16989226543. The reversal of 16989226527 is 72562298961.

It is not a de Polignac number, because 16989226527 - 2³ = 16989226519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16989226547) 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, 13963 + ... + 184860.

It is an arithmetic number, because the mean of its divisors is an integer number (874030304).

Almost surely, 2^16989226527 is an apocalyptic number.

16989226527 is a deficient number, since it is larger than the sum of its proper divisors (10979743201).

16989226527 is a wasteful number, since it uses less digits than its factorization.

16989226527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199159.

The product of its digits is 6531840, while the sum is 57.

The spelling of 16989226527 in words is "sixteen billion, nine hundred eighty-nine million, two hundred twenty-six thousand, five hundred twenty-seven".