598415661 has 24 divisors (see below), whose sum is σ = 916102080. Its totient is φ = 386057880.

The previous prime is 598415639. The next prime is 598415677. The reversal of 598415661 is 166514895.

598415661 is a `hidden beast` number, since 5 + 9 + 84 + 1 + 566 + 1 = 666.

598415661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 598415661 - 2⁷ = 598415533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598415611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14416 + ... + 37478.

It is an arithmetic number, because the mean of its divisors is an integer number (38170920).

Almost surely, 2^598415661 is an apocalyptic number.

It is an amenable number.

598415661 is a deficient number, since it is larger than the sum of its proper divisors (317686419).

598415661 is a wasteful number, since it uses less digits than its factorization.

598415661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23134 (or 23097 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 598415661 is about 24462.5358660953. The cubic root of 598415661 is about 842.6896313157.

It can be divided in two parts, 598415 and 661, that added together give a square (599076 = 774²).

The spelling of 598415661 in words is "five hundred ninety-eight million, four hundred fifteen thousand, six hundred sixty-one".