260261157 has 8 divisors (see below), whose sum is σ = 373708384. Its totient is φ = 160160688.

The previous prime is 260261149. The next prime is 260261159. The reversal of 260261157 is 751162062.

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

It is not a de Polignac number, because 260261157 - 2³ = 260261149 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 (260261159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3336643 + ... + 3336720.

It is an arithmetic number, because the mean of its divisors is an integer number (46713548).

Almost surely, 2^260261157 is an apocalyptic number.

It is an amenable number.

260261157 is a deficient number, since it is larger than the sum of its proper divisors (113447227).

260261157 is a wasteful number, since it uses less digits than its factorization.

260261157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673379.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 260261157 is about 16132.6115988702. The cubic root of 260261157 is about 638.4640552580.

The spelling of 260261157 in words is "two hundred sixty million, two hundred sixty-one thousand, one hundred fifty-seven".