207444216261161 has 8 divisors (see below), whose sum is σ = 226366367476800. Its totient is φ = 188532662729040.

The previous prime is 207444216261157. The next prime is 207444216261211. The reversal of 207444216261161 is 161162612444702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 207444216261161 - 2² = 207444216261157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207444216261131) 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, 2649379946 + ... + 2649458243.

It is an arithmetic number, because the mean of its divisors is an integer number (28295795934600).

Almost surely, 2^{207444216261161} is an apocalyptic number.

It is an amenable number.

207444216261161 is a deficient number, since it is larger than the sum of its proper divisors (18922151215639).

207444216261161 is a wasteful number, since it uses less digits than its factorization.

207444216261161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298841759.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 207444216261161 in words is "two hundred seven trillion, four hundred forty-four billion, two hundred sixteen million, two hundred sixty-one thousand, one hundred sixty-one".