516026491 has 8 divisors (see below), whose sum is σ = 543398400. Its totient is φ = 488675880.

The previous prime is 516026479. The next prime is 516026513. The reversal of 516026491 is 194620615.

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

It is a cyclic number.

It is not a de Polignac number, because 516026491 - 2⁷ = 516026363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516026411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77970 + ... + 84328.

It is an arithmetic number, because the mean of its divisors is an integer number (67924800).

Almost surely, 2^516026491 is an apocalyptic number.

516026491 is a deficient number, since it is larger than the sum of its proper divisors (27371909).

516026491 is a wasteful number, since it uses less digits than its factorization.

516026491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10649.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 516026491 is about 22716.2164763413. The cubic root of 516026491 is about 802.0916571758.

The spelling of 516026491 in words is "five hundred sixteen million, twenty-six thousand, four hundred ninety-one".