260061631 has 8 divisors (see below), whose sum is σ = 275520960. Its totient is φ = 244620288.

The previous prime is 260061623. The next prime is 260061643. The reversal of 260061631 is 136160062.

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 260061631 - 2³ = 260061623 is a prime.

It is a super-2 number, since 2×260061631² = 135264103836760322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260061596 and 260061605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260061611) 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, 35535 + ... + 42223.

It is an arithmetic number, because the mean of its divisors is an integer number (34440120).

Almost surely, 2^260061631 is an apocalyptic number.

260061631 is a deficient number, since it is larger than the sum of its proper divisors (15459329).

260061631 is a wasteful number, since it uses less digits than its factorization.

260061631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8993.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 260061631 is about 16126.4264795397. The cubic root of 260061631 is about 638.3008566867.

The spelling of 260061631 in words is "two hundred sixty million, sixty-one thousand, six hundred thirty-one".