616335420 has 24 divisors (see below), whose sum is σ = 1725739344. Its totient is φ = 164356096.

The previous prime is 616335403. The next prime is 616335427. The reversal of 616335420 is 24533616.

It is a super-3 number, since 3×616335420³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616335427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5136069 + ... + 5136188.

It is an arithmetic number, because the mean of its divisors is an integer number (71905806).

Almost surely, 2^616335420 is an apocalyptic number.

616335420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

616335420 is an abundant number, since it is smaller than the sum of its proper divisors (1109403924).

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

616335420 is a wasteful number, since it uses less digits than its factorization.

616335420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10272269 (or 10272267 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 616335420 is about 24826.1036008472. The cubic root of 616335420 is about 851.0185805316.

The spelling of 616335420 in words is "six hundred sixteen million, three hundred thirty-five thousand, four hundred twenty".