201620789914 has 8 divisors (see below), whose sum is σ = 305107567380. Its totient is φ = 99918267456.

The previous prime is 201620789849. The next prime is 201620789933. The reversal of 201620789914 is 419987026102.

201620789914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 171464730889 + 30156059025 = 414083^2 + 173655^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446063469 + ... + 446063920.

Almost surely, 2^201620789914 is an apocalyptic number.

201620789914 is a deficient number, since it is larger than the sum of its proper divisors (103486777466).

201620789914 is a wasteful number, since it uses less digits than its factorization.

201620789914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892127504.

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

The spelling of 201620789914 in words is "two hundred one billion, six hundred twenty million, seven hundred eighty-nine thousand, nine hundred fourteen".