261760477616404 has 192 divisors, whose sum is σ = 524631844896768. Its totient is φ = 113362913664000.

The previous prime is 261760477616401. The next prime is 261760477616459. The reversal of 261760477616404 is 404616774067162.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261760477616401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35941294947 + ... + 35941302229.

It is an arithmetic number, because the mean of its divisors is an integer number (2732457525504).

Almost surely, 2^{261760477616404} is an apocalyptic number.

It is an amenable number.

261760477616404 is an abundant number, since it is smaller than the sum of its proper divisors (262871367280364).

261760477616404 is a wasteful number, since it uses less digits than its factorization.

261760477616404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9558 (or 9556 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 61.

The spelling of 261760477616404 in words is "two hundred sixty-one trillion, seven hundred sixty billion, four hundred seventy-seven million, six hundred sixteen thousand, four hundred four".