620666113 has 8 divisors (see below), whose sum is σ = 622904256. Its totient is φ = 618433200.

The previous prime is 620666087. The next prime is 620666117. The reversal of 620666113 is 311666026.

620666113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 620666113 - 2²¹ = 618568961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620666117) 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, 612195 + ... + 613207.

It is an arithmetic number, because the mean of its divisors is an integer number (77863032).

Almost surely, 2^620666113 is an apocalyptic number.

It is an amenable number.

620666113 is a deficient number, since it is larger than the sum of its proper divisors (2238143).

620666113 is a wasteful number, since it uses less digits than its factorization.

620666113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 620666113 is about 24913.1714761489. The cubic root of 620666113 is about 853.0071631278.

The spelling of 620666113 in words is "six hundred twenty million, six hundred sixty-six thousand, one hundred thirteen".