616101020 has 24 divisors (see below), whose sum is σ = 1311538704. Its totient is φ = 243063936.

The previous prime is 616101019. The next prime is 616101053. The reversal of 616101020 is 20101616.

It is a happy number.

616101020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 616101020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209534 + ... + 212453.

It is an arithmetic number, because the mean of its divisors is an integer number (54647446).

Almost surely, 2^616101020 is an apocalyptic number.

It is an amenable number.

616101020 is an abundant number, since it is smaller than the sum of its proper divisors (695437684).

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

616101020 is a wasteful number, since it uses less digits than its factorization.

616101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422069 (or 422067 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 616101020 is about 24821.3823144482. The cubic root of 616101020 is about 850.9106825471.

Adding to 616101020 its reverse (20101616), we get a palindrome (636202636).

The spelling of 616101020 in words is "six hundred sixteen million, one hundred one thousand, twenty".