260021672771 has 8 divisors (see below), whose sum is σ = 297184629504. Its totient is φ = 222862966920.

The previous prime is 260021672767. The next prime is 260021672851. The reversal of 260021672771 is 177276120062.

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 260021672771 - 2² = 260021672767 is a prime.

It is a super-2 number, since 2×260021672771² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260021674771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930545 + ... + 1177266.

It is an arithmetic number, because the mean of its divisors is an integer number (37148078688).

Almost surely, 2^260021672771 is an apocalyptic number.

260021672771 is a deficient number, since it is larger than the sum of its proper divisors (37162956733).

260021672771 is a wasteful number, since it uses less digits than its factorization.

260021672771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125441.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 260021672771 in words is "two hundred sixty billion, twenty-one million, six hundred seventy-two thousand, seven hundred seventy-one".