2320134365661 has 16 divisors (see below), whose sum is σ = 3593400924288. Its totient is φ = 1304056785600.

The previous prime is 2320134365651. The next prime is 2320134365677. The reversal of 2320134365661 is 1665634310232.

It is not a de Polignac number, because 2320134365661 - 2⁶ = 2320134365597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320134365651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905593710 + ... + 905596271.

It is an arithmetic number, because the mean of its divisors is an integer number (224587557768).

Almost surely, 2^{2320134365661} is an apocalyptic number.

2320134365661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2320134365661 is a deficient number, since it is larger than the sum of its proper divisors (1273266558627).

2320134365661 is a wasteful number, since it uses less digits than its factorization.

2320134365661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811190052.

The product of its (nonzero) digits is 466560, while the sum is 42.

Adding to 2320134365661 its reverse (1665634310232), we get a palindrome (3985768675893).

The spelling of 2320134365661 in words is "two trillion, three hundred twenty billion, one hundred thirty-four million, three hundred sixty-five thousand, six hundred sixty-one".