201616064633 has 8 divisors (see below), whose sum is σ = 202389972552. Its totient is φ = 200842488576.

The previous prime is 201616064597. The next prime is 201616064669. The reversal of 201616064633 is 336460616102.

It is an interprime number because it is at equal distance from previous prime (201616064597) and next prime (201616064669).

It can be written as a sum of positive squares in 4 ways, for example, as 3695180944 + 197920883689 = 60788^2 + 444883^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 201616064633 - 2¹² = 201616060537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201616064033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170641 + ... + 1331777.

It is an arithmetic number, because the mean of its divisors is an integer number (25298746569).

Almost surely, 2^201616064633 is an apocalyptic number.

It is an amenable number.

201616064633 is a deficient number, since it is larger than the sum of its proper divisors (773907919).

201616064633 is a wasteful number, since it uses less digits than its factorization.

201616064633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165931.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 201616064633 in words is "two hundred one billion, six hundred sixteen million, sixty-four thousand, six hundred thirty-three".