16201361857 has 8 divisors (see below), whose sum is σ = 16450518656. Its totient is φ = 15952421232.

The previous prime is 16201361843. The next prime is 16201361861. The reversal of 16201361857 is 75816310261.

It is a happy number.

16201361857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16201361857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16201361257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100363 + ... + 206095.

It is an arithmetic number, because the mean of its divisors is an integer number (2056314832).

Almost surely, 2^16201361857 is an apocalyptic number.

It is an amenable number.

16201361857 is a deficient number, since it is larger than the sum of its proper divisors (249156799).

16201361857 is a wasteful number, since it uses less digits than its factorization.

16201361857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108087.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 16201361857 in words is "sixteen billion, two hundred one million, three hundred sixty-one thousand, eight hundred fifty-seven".