16471989202 has 8 divisors (see below), whose sum is σ = 24952617612. Its totient is φ = 8154450000.

The previous prime is 16471989179. The next prime is 16471989229. The reversal of 16471989202 is 20298917461.

It can be written as a sum of positive squares in 2 ways, for example, as 11180736121 + 5291253081 = 105739^2 + 72741^2 .

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

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, 40772049 + ... + 40772452.

Almost surely, 2^16471989202 is an apocalyptic number.

16471989202 is a deficient number, since it is larger than the sum of its proper divisors (8480628410).

16471989202 is a wasteful number, since it uses less digits than its factorization.

16471989202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81544604.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 16471989202 in words is "sixteen billion, four hundred seventy-one million, nine hundred eighty-nine thousand, two hundred two".