261650365326362 has 16 divisors (see below), whose sum is σ = 392581341360000. Its totient is φ = 130789922838960.

The previous prime is 261650365326293. The next prime is 261650365326373. The reversal of 261650365326362 is 263623563056162.

It is a junction number, because it is equal to n+sod(n) for n = 261650365326298 and 261650365326307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112561139 + ... + 114862137.

It is an arithmetic number, because the mean of its divisors is an integer number (24536333835000).

Almost surely, 2^{261650365326362} is an apocalyptic number.

261650365326362 is a deficient number, since it is larger than the sum of its proper divisors (130930976033638).

261650365326362 is a wasteful number, since it uses less digits than its factorization.

261650365326362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316301.

The product of its (nonzero) digits is 41990400, while the sum is 56.

The spelling of 261650365326362 in words is "two hundred sixty-one trillion, six hundred fifty billion, three hundred sixty-five million, three hundred twenty-six thousand, three hundred sixty-two".