601661516 has 24 divisors (see below), whose sum is σ = 1095198720. Its totient is φ = 288896400.

The previous prime is 601661509. The next prime is 601661519. The reversal of 601661516 is 615166106.

It is not an unprimeable number, because it can be changed into a prime (601661519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2276 + ... + 34763.

It is an arithmetic number, because the mean of its divisors is an integer number (45633280).

Almost surely, 2^601661516 is an apocalyptic number.

It is an amenable number.

601661516 is a deficient number, since it is larger than the sum of its proper divisors (493537204).

601661516 is a wasteful number, since it uses less digits than its factorization.

601661516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37205 (or 37203 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 601661516 is about 24528.7895339334. The cubic root of 601661516 is about 844.2104904648.

The spelling of 601661516 in words is "six hundred one million, six hundred sixty-one thousand, five hundred sixteen".