1601135768 has 32 divisors (see below), whose sum is σ = 3048192000. Its totient is φ = 788313120.

The previous prime is 1601135761. The next prime is 1601135881. The reversal of 1601135768 is 8675311061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601135761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713993 + ... + 716231.

It is an arithmetic number, because the mean of its divisors is an integer number (95256000).

Almost surely, 2^1601135768 is an apocalyptic number.

It is an amenable number.

1601135768 is a deficient number, since it is larger than the sum of its proper divisors (1447056232).

1601135768 is a wasteful number, since it uses less digits than its factorization.

1601135768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575 (or 3571 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 1601135768 is about 40014.1945814232. The cubic root of 1601135768 is about 1169.8837803083.

The spelling of 1601135768 in words is "one billion, six hundred one million, one hundred thirty-five thousand, seven hundred sixty-eight".