261704106532716 has 24 divisors (see below), whose sum is σ = 611031612241344. Its totient is φ = 87179174034960.

The previous prime is 261704106532703. The next prime is 261704106532793. The reversal of 261704106532716 is 617235601407162.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6940998190 + ... + 6941035893.

It is an arithmetic number, because the mean of its divisors is an integer number (25459650510056).

Almost surely, 2^{261704106532716} is an apocalyptic number.

It is an amenable number.

261704106532716 is an abundant number, since it is smaller than the sum of its proper divisors (349327505708628).

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

261704106532716 is a wasteful number, since it uses less digits than its factorization.

261704106532716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13882035661 (or 13882035659 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

Adding to 261704106532716 its reverse (617235601407162), we get a palindrome (878939707939878).

The spelling of 261704106532716 in words is "two hundred sixty-one trillion, seven hundred four billion, one hundred six million, five hundred thirty-two thousand, seven hundred sixteen".