958082661 has 12 divisors (see below), whose sum is σ = 1435152992. Its totient is φ = 638721612.

The previous prime is 958082627. The next prime is 958082681. The reversal of 958082661 is 166280859.

958082661 is a `hidden beast` number, since 9 + 580 + 8 + 2 + 6 + 61 = 666.

It is not a de Polignac number, because 958082661 - 2¹⁰ = 958081637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (958082611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1971121 + ... + 1971606.

Almost surely, 2^958082661 is an apocalyptic number.

It is an amenable number.

958082661 is a deficient number, since it is larger than the sum of its proper divisors (477070331).

958082661 is an equidigital number, since it uses as much as digits as its factorization.

958082661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942742 (or 3942730 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 958082661 is about 30952.9103801242. The cubic root of 958082661 is about 985.8276469409.

The spelling of 958082661 in words is "nine hundred fifty-eight million, eighty-two thousand, six hundred sixty-one".