491060567 has 16 divisors (see below), whose sum is σ = 547797600. Its totient is φ = 438197760.

The previous prime is 491060543. The next prime is 491060569. The reversal of 491060567 is 765060194.

It is not a de Polignac number, because 491060567 - 2⁶ = 491060503 is a prime.

It is a super-2 number, since 2×491060567² = 482280960924722978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 491060567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491060569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11723 + ... + 33459.

It is an arithmetic number, because the mean of its divisors is an integer number (34237350).

Almost surely, 2^491060567 is an apocalyptic number.

491060567 is a deficient number, since it is larger than the sum of its proper divisors (56737033).

491060567 is a wasteful number, since it uses less digits than its factorization.

491060567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21826.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 491060567 is about 22159.8864392397. The cubic root of 491060567 is about 788.9418975475.

The spelling of 491060567 in words is "four hundred ninety-one million, sixty thousand, five hundred sixty-seven".