660601112 has 8 divisors (see below), whose sum is σ = 1238627100. Its totient is φ = 330300552.

The previous prime is 660601087. The next prime is 660601129. The reversal of 660601112 is 211106066.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41287562 + ... + 41287577.

Almost surely, 2^660601112 is an apocalyptic number.

It is an amenable number.

660601112 is a deficient number, since it is larger than the sum of its proper divisors (578025988).

660601112 is a wasteful number, since it uses less digits than its factorization.

660601112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82575145 (or 82575141 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 660601112 is about 25702.1616211555. The cubic root of 660601112 is about 870.9230138777.

Adding to 660601112 its reverse (211106066), we get a palindrome (871707178).

The spelling of 660601112 in words is "six hundred sixty million, six hundred one thousand, one hundred twelve".