201616010651 has 4 divisors (see below), whose sum is σ = 219944738904. Its totient is φ = 183287282400.

The previous prime is 201616010599. The next prime is 201616010671. The reversal of 201616010651 is 156010616102.

201616010651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201616010651 - 2³⁰ = 200542268827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201616010671) by changing a digit.

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, 9164364110 + ... + 9164364131.

It is an arithmetic number, because the mean of its divisors is an integer number (54986184726).

Almost surely, 2^201616010651 is an apocalyptic number.

201616010651 is a deficient number, since it is larger than the sum of its proper divisors (18328728253).

201616010651 is a wasteful number, since it uses less digits than its factorization.

201616010651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18328728252.

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 201616010651 its reverse (156010616102), we get a palindrome (357626626753).

The spelling of 201616010651 in words is "two hundred one billion, six hundred sixteen million, ten thousand, six hundred fifty-one".