261655437022314 has 16 divisors (see below), whose sum is σ = 523316682786528. Its totient is φ = 87217510883792.

The previous prime is 261655437022313. The next prime is 261655437022409. The reversal of 261655437022314 is 413220734556162.

It is not an unprimeable number, because it can be changed into a prime (261655437022313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241445217 + ... + 242526500.

It is an arithmetic number, because the mean of its divisors is an integer number (32707292674158).

Almost surely, 2^{261655437022314} is an apocalyptic number.

261655437022314 is an abundant number, since it is smaller than the sum of its proper divisors (261661245764214).

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

261655437022314 is a wasteful number, since it uses less digits than its factorization.

261655437022314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484061829.

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 261655437022314 in words is "two hundred sixty-one trillion, six hundred fifty-five billion, four hundred thirty-seven million, twenty-two thousand, three hundred fourteen".