260612243661 has 48 divisors (see below), whose sum is σ = 445251340800. Its totient is φ = 131723824320.

The previous prime is 260612243531. The next prime is 260612243669. The reversal of 260612243661 is 166342216062.

It is not a de Polignac number, because 260612243661 - 2¹¹ = 260612241613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260612243669) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95811 + ... + 728288.

It is an arithmetic number, because the mean of its divisors is an integer number (9276069600).

Almost surely, 2^260612243661 is an apocalyptic number.

260612243661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

260612243661 is a deficient number, since it is larger than the sum of its proper divisors (184639097139).

260612243661 is a wasteful number, since it uses less digits than its factorization.

260612243661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824194 (or 824157 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 260612243661 in words is "two hundred sixty billion, six hundred twelve million, two hundred forty-three thousand, six hundred sixty-one".