102243150061661 has 12 divisors (see below), whose sum is σ = 122150606505312. Its totient is φ = 83826682035096.

The previous prime is 102243150061579. The next prime is 102243150061673. The reversal of 102243150061661 is 166160051342201.

It is not a de Polignac number, because 102243150061661 - 2¹⁰ = 102243150060637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102243150061361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13805444591 + ... + 13805451996.

It is an arithmetic number, because the mean of its divisors is an integer number (10179217208776).

Almost surely, 2^{102243150061661} is an apocalyptic number.

It is an amenable number.

102243150061661 is a deficient number, since it is larger than the sum of its proper divisors (19907456443651).

102243150061661 is an equidigital number, since it uses as much as digits as its factorization.

102243150061661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27610896640 (or 27610896617 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 102243150061661 in words is "one hundred two trillion, two hundred forty-three billion, one hundred fifty million, sixty-one thousand, six hundred sixty-one".