20616016601 has 8 divisors (see below), whose sum is σ = 21058994304. Its totient is φ = 20177278240.

The previous prime is 20616016591. The next prime is 20616016607. The reversal of 20616016601 is 10661061602.

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 20616016601 - 2¹⁰ = 20616015577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20616016607) 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, 1050005 + ... + 1069458.

It is an arithmetic number, because the mean of its divisors is an integer number (2632374288).

Almost surely, 2^20616016601 is an apocalyptic number.

It is an amenable number.

20616016601 is a deficient number, since it is larger than the sum of its proper divisors (442977703).

20616016601 is a wasteful number, since it uses less digits than its factorization.

20616016601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119671.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 20616016601 in words is "twenty billion, six hundred sixteen million, sixteen thousand, six hundred one".