1613122568 has 16 divisors (see below), whose sum is σ = 3025351680. Its totient is φ = 806362128.

The previous prime is 1613122561. The next prime is 1613122601. The reversal of 1613122568 is 8652213161.

It is not an unprimeable number, because it can be changed into a prime (1613122561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12905 + ... + 58247.

It is an arithmetic number, because the mean of its divisors is an integer number (189084480).

Almost surely, 2^1613122568 is an apocalyptic number.

It is an amenable number.

1613122568 is a deficient number, since it is larger than the sum of its proper divisors (1412229112).

1613122568 is a wasteful number, since it uses less digits than its factorization.

1613122568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49796 (or 49792 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 1613122568 is about 40163.6971405771. The cubic root of 1613122568 is about 1172.7959450143.

The spelling of 1613122568 in words is "one billion, six hundred thirteen million, one hundred twenty-two thousand, five hundred sixty-eight".