2066620613 has 8 divisors (see below), whose sum is σ = 2086538400. Its totient is φ = 2046783760.

The previous prime is 2066620609. The next prime is 2066620627. The reversal of 2066620613 is 3160266602.

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 2066620613 - 2² = 2066620609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2066620613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066620603) 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, 31718 + ... + 71688.

It is an arithmetic number, because the mean of its divisors is an integer number (260817300).

Almost surely, 2^2066620613 is an apocalyptic number.

It is an amenable number.

2066620613 is a deficient number, since it is larger than the sum of its proper divisors (19917787).

2066620613 is a wasteful number, since it uses less digits than its factorization.

2066620613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40467.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 2066620613 is about 45460.0991309962. The cubic root of 2066620613 is about 1273.7579832268.

The spelling of 2066620613 in words is "two billion, sixty-six million, six hundred twenty thousand, six hundred thirteen".