58001661 has 24 divisors (see below), whose sum is σ = 89700000. Its totient is φ = 36005472.

The previous prime is 58001659. The next prime is 58001683. The reversal of 58001661 is 16610085.

It is not a de Polignac number, because 58001661 - 2¹ = 58001659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58001611) 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, 7215 + ... + 12963.

It is an arithmetic number, because the mean of its divisors is an integer number (3737500).

Almost surely, 2^58001661 is an apocalyptic number.

It is an amenable number.

58001661 is a deficient number, since it is larger than the sum of its proper divisors (31698339).

58001661 is a wasteful number, since it uses less digits than its factorization.

58001661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833 (or 5830 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 58001661 is about 7615.8821550757. The cubic root of 58001661 is about 387.0913591574.

The spelling of 58001661 in words is "fifty-eight million, one thousand, six hundred sixty-one".