1611020568 has 32 divisors (see below), whose sum is σ = 4040688960. Its totient is φ = 535255200.

The previous prime is 1611020519. The next prime is 1611020573. The reversal of 1611020568 is 8650201161.

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, 101958 + ... + 116693.

It is an arithmetic number, because the mean of its divisors is an integer number (126271530).

Almost surely, 2^1611020568 is an apocalyptic number.

It is an amenable number.

1611020568 is an abundant number, since it is smaller than the sum of its proper divisors (2429668392).

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

1611020568 is a wasteful number, since it uses less digits than its factorization.

1611020568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218967 (or 218963 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1611020568 is about 40137.5207007109. The cubic root of 1611020568 is about 1172.2863146699.

The spelling of 1611020568 in words is "one billion, six hundred eleven million, twenty thousand, five hundred sixty-eight".