601661116 has 24 divisors (see below), whose sum is σ = 1203947360. Its totient is φ = 257720832.

The previous prime is 601661111. The next prime is 601661149. The reversal of 601661116 is 611166106.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601661111) 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, 64900 + ... + 73588.

Almost surely, 2^601661116 is an apocalyptic number.

It is an amenable number.

601661116 is an abundant number, since it is smaller than the sum of its proper divisors (602286244).

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

601661116 is a wasteful number, since it uses less digits than its factorization.

601661116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11173 (or 11171 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 601661116 is about 24528.7813802480. The cubic root of 601661116 is about 844.2103033805.

The spelling of 601661116 in words is "six hundred one million, six hundred sixty-one thousand, one hundred sixteen".