620689016 has 16 divisors (see below), whose sum is σ = 1167514800. Its totient is φ = 309351744.

The previous prime is 620688967. The next prime is 620689019. The reversal of 620689016 is 610986026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620689019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121436 + ... + 126443.

It is an arithmetic number, because the mean of its divisors is an integer number (72969675).

Almost surely, 2^620689016 is an apocalyptic number.

It is an amenable number.

620689016 is a deficient number, since it is larger than the sum of its proper divisors (546825784).

620689016 is a wasteful number, since it uses less digits than its factorization.

620689016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248198 (or 248194 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 620689016 is about 24913.6311283602. The cubic root of 620689016 is about 853.0176551794.

The spelling of 620689016 in words is "six hundred twenty million, six hundred eighty-nine thousand, sixteen".