616773120 has 80 divisors (see below), whose sum is σ = 1971771120. Its totient is φ = 164470784.

The previous prime is 616773119. The next prime is 616773149. The reversal of 616773120 is 21377616.

It is a tau number, because it is divible by the number of its divisors (80).

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, 32475 + ... + 47834.

It is an arithmetic number, because the mean of its divisors is an integer number (24647139).

Almost surely, 2^616773120 is an apocalyptic number.

616773120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

616773120 is an abundant number, since it is smaller than the sum of its proper divisors (1354998000).

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

616773120 is an equidigital number, since it uses as much as digits as its factorization.

616773120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80335 (or 80319 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 616773120 is about 24834.9173544025. The cubic root of 616773120 is about 851.2199874704.

The spelling of 616773120 in words is "six hundred sixteen million, seven hundred seventy-three thousand, one hundred twenty".