260160821 has 8 divisors (see below), whose sum is σ = 262085760. Its totient is φ = 258243328.

The previous prime is 260160781. The next prime is 260160833. The reversal of 260160821 is 128061062.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260160821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260160851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81365 + ... + 84501.

It is an arithmetic number, because the mean of its divisors is an integer number (32760720).

Almost surely, 2^260160821 is an apocalyptic number.

It is an amenable number.

260160821 is a deficient number, since it is larger than the sum of its proper divisors (1924939).

260160821 is a wasteful number, since it uses less digits than its factorization.

260160821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 260160821 is about 16129.5015732043. The cubic root of 260160821 is about 638.3819977276.

The spelling of 260160821 in words is "two hundred sixty million, one hundred sixty thousand, eight hundred twenty-one".