660058431 has 8 divisors (see below), whose sum is σ = 882274224. Its totient is φ = 438940800.

The previous prime is 660058403. The next prime is 660058453. The reversal of 660058431 is 134850066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 660058431 - 2¹⁰ = 660057407 is a prime.

It is a super-2 number, since 2×660058431² = 871354264668363522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 660058392 and 660058401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660058831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273136 + ... + 275541.

It is an arithmetic number, because the mean of its divisors is an integer number (110284278).

Almost surely, 2^660058431 is an apocalyptic number.

660058431 is a deficient number, since it is larger than the sum of its proper divisors (222215793).

660058431 is a wasteful number, since it uses less digits than its factorization.

660058431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549081.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 660058431 is about 25691.6023439567. The cubic root of 660058431 is about 870.6844620271.

The spelling of 660058431 in words is "six hundred sixty million, fifty-eight thousand, four hundred thirty-one".