102661732307 has 4 divisors (see below), whose sum is σ = 102733076160. Its totient is φ = 102590388456.

The previous prime is 102661732223. The next prime is 102661732309. The reversal of 102661732307 is 703237166201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102661732307 - 2²⁸ = 102393296851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102661732309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35669768 + ... + 35672645.

It is an arithmetic number, because the mean of its divisors is an integer number (25683269040).

Almost surely, 2^102661732307 is an apocalyptic number.

102661732307 is a deficient number, since it is larger than the sum of its proper divisors (71343853).

102661732307 is an equidigital number, since it uses as much as digits as its factorization.

102661732307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71343852.

The product of its (nonzero) digits is 63504, while the sum is 38.

Adding to 102661732307 its reverse (703237166201), we get a palindrome (805898898508).

The spelling of 102661732307 in words is "one hundred two billion, six hundred sixty-one million, seven hundred thirty-two thousand, three hundred seven".