616849020 has 120 divisors (see below), whose sum is σ = 1941486624. Its totient is φ = 163949184.

The previous prime is 616849007. The next prime is 616849021. The reversal of 616849020 is 20948616.

616849020 is a `hidden beast` number, since 6 + 168 + 490 + 2 + 0 = 666.

616849020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616849021) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 814482 + ... + 815238.

Almost surely, 2^616849020 is an apocalyptic number.

616849020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616849020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970743312).

616849020 is an abundant number, since it is smaller than the sum of its proper divisors (1324637604).

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

616849020 is a wasteful number, since it uses less digits than its factorization.

616849020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281 (or 1270 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 616849020 is about 24836.4453978423. The cubic root of 616849020 is about 851.2549030361.

The spelling of 616849020 in words is "six hundred sixteen million, eight hundred forty-nine thousand, twenty".