575981616 has 80 divisors (see below), whose sum is σ = 1736745984. Its totient is φ = 161060352.

The previous prime is 575981591. The next prime is 575981621. The reversal of 575981616 is 616189575.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2445 + ... + 34028.

Almost surely, 2^575981616 is an apocalyptic number.

575981616 is a gapful number since it is divisible by the number (56) 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 575981616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868372992).

575981616 is an abundant number, since it is smaller than the sum of its proper divisors (1160764368).

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

575981616 is a wasteful number, since it uses less digits than its factorization.

575981616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36538 (or 36532 counting only the distinct ones).

The product of its digits is 453600, while the sum is 48.

The square root of 575981616 is about 23999.6169969439. The cubic root of 575981616 is about 832.0246772143.

The spelling of 575981616 in words is "five hundred seventy-five million, nine hundred eighty-one thousand, six hundred sixteen".