58421666 has 4 divisors (see below), whose sum is σ = 87632502. Its totient is φ = 29210832.

The previous prime is 58421653. The next prime is 58421683. The reversal of 58421666 is 66612485.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43943641 + 14478025 = 6629^2 + 3805^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14605415 + ... + 14605418.

Almost surely, 2^58421666 is an apocalyptic number.

58421666 is a deficient number, since it is larger than the sum of its proper divisors (29210836).

58421666 is a wasteful number, since it uses less digits than its factorization.

58421666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29210835.

The product of its digits is 69120, while the sum is 38.

The square root of 58421666 is about 7643.4067012033. The cubic root of 58421666 is about 388.0234557330.

The spelling of 58421666 in words is "fifty-eight million, four hundred twenty-one thousand, six hundred sixty-six".