2016520061 has 8 divisors (see below), whose sum is σ = 2048976000. Its totient is φ = 1984176880.

The previous prime is 2016520057. The next prime is 2016520063. The reversal of 2016520061 is 1600256102.

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 2016520061 - 2² = 2016520057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016520063) 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, 8240 + ... + 64038.

It is an arithmetic number, because the mean of its divisors is an integer number (256122000).

Almost surely, 2^2016520061 is an apocalyptic number.

It is an amenable number.

2016520061 is a deficient number, since it is larger than the sum of its proper divisors (32455939).

2016520061 is an equidigital number, since it uses as much as digits as its factorization.

2016520061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56379.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2016520061 is about 44905.6796073726. The cubic root of 2016520061 is about 1263.3805375824.

Adding to 2016520061 its reverse (1600256102), we get a palindrome (3616776163).

The spelling of 2016520061 in words is "two billion, sixteen million, five hundred twenty thousand, sixty-one".