260722157 has 8 divisors (see below), whose sum is σ = 268107840. Its totient is φ = 253385440.

The previous prime is 260722139. The next prime is 260722159. The reversal of 260722157 is 751227062.

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 260722157 - 2¹² = 260718061 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 (260722159) 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, 1307 + ... + 22872.

It is an arithmetic number, because the mean of its divisors is an integer number (33513480).

Almost surely, 2^260722157 is an apocalyptic number.

It is an amenable number.

260722157 is a deficient number, since it is larger than the sum of its proper divisors (7385683).

260722157 is a wasteful number, since it uses less digits than its factorization.

260722157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24483.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 260722157 is about 16146.8931067249. The cubic root of 260722157 is about 638.8408028815.

The spelling of 260722157 in words is "two hundred sixty million, seven hundred twenty-two thousand, one hundred fifty-seven".