260645103 has 18 divisors (see below), whose sum is σ = 379501304. Its totient is φ = 172383264.

The previous prime is 260645081. The next prime is 260645107. The reversal of 260645103 is 301546062.

260645103 is a `hidden beast` number, since 2 + 6 + 0 + 645 + 10 + 3 = 666.

It is not a de Polignac number, because 260645103 - 2¹⁸ = 260382959 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260645107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 168150 + ... + 169692.

Almost surely, 2^260645103 is an apocalyptic number.

260645103 is a deficient number, since it is larger than the sum of its proper divisors (118856201).

260645103 is a wasteful number, since it uses less digits than its factorization.

260645103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 260645103 is about 16144.5068986327. The cubic root of 260645103 is about 638.7778622017. Note that the first 3 decimals are identical.

The spelling of 260645103 in words is "two hundred sixty million, six hundred forty-five thousand, one hundred three".