260169642 has 24 divisors (see below), whose sum is σ = 570495744. Its totient is φ = 85677864.

The previous prime is 260169601. The next prime is 260169647. The reversal of 260169642 is 246961062.

260169642 is a `hidden beast` number, since 2 + 6 + 0 + 1 + 6 + 9 + 642 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 260169597 and 260169606.

It is not an unprimeable number, because it can be changed into a prime (260169647) 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 11 ways as a sum of consecutive naturals, for example, 85578 + ... + 88565.

It is an arithmetic number, because the mean of its divisors is an integer number (23770656).

Almost surely, 2^260169642 is an apocalyptic number.

260169642 is an abundant number, since it is smaller than the sum of its proper divisors (310326102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260169642 is a wasteful number, since it uses less digits than its factorization.

260169642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174234 (or 174231 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 260169642 is about 16129.7750139300. The cubic root of 260169642 is about 638.3892126289.

The spelling of 260169642 in words is "two hundred sixty million, one hundred sixty-nine thousand, six hundred forty-two".