2016696660 has 48 divisors (see below), whose sum is σ = 6160093632. Its totient is φ = 488896000.

The previous prime is 2016696659. The next prime is 2016696677. The reversal of 2016696660 is 666966102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527141 + ... + 1528460.

It is an arithmetic number, because the mean of its divisors is an integer number (128335284).

Almost surely, 2^2016696660 is an apocalyptic number.

2016696660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2016696660 is an abundant number, since it is smaller than the sum of its proper divisors (4143396972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2016696660 is a wasteful number, since it uses less digits than its factorization.

2016696660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055624 (or 3055622 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 2016696660 is about 44907.6458968849. The cubic root of 2016696660 is about 1263.4174171604.

The spelling of 2016696660 in words is "two billion, sixteen million, six hundred ninety-six thousand, six hundred sixty".