260202133103661 has 24 divisors (see below), whose sum is σ = 452147399213120. Its totient is φ = 140861305138176.

The previous prime is 260202133103657. The next prime is 260202133103663. The reversal of 260202133103661 is 166301331202062.

260202133103661 is a `hidden beast` number, since 2 + 60 + 20 + 213 + 3 + 1 + 0 + 366 + 1 = 666.

It is not a de Polignac number, because 260202133103661 - 2² = 260202133103657 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 (260202133103663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108689277460 + ... + 108689279853.

Almost surely, 2^{260202133103661} is an apocalyptic number.

260202133103661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

260202133103661 is a deficient number, since it is larger than the sum of its proper divisors (191945266109459).

260202133103661 is a wasteful number, since it uses less digits than its factorization.

260202133103661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217378557345 (or 217378557342 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 260202133103661 in words is "two hundred sixty trillion, two hundred two billion, one hundred thirty-three million, one hundred three thousand, six hundred sixty-one".