32303353051661 has 16 divisors (see below), whose sum is σ = 34474113755136. Its totient is φ = 30162672239616.

The previous prime is 32303353051633. The next prime is 32303353051691. The reversal of 32303353051661 is 16615035330323.

It is a cyclic number.

It is not a de Polignac number, because 32303353051661 - 2³⁰ = 32302279309837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32303353051691) 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, 62996870 + ... + 63507576.

It is an arithmetic number, because the mean of its divisors is an integer number (2154632109696).

Almost surely, 2^{32303353051661} is an apocalyptic number.

It is an amenable number.

32303353051661 is a deficient number, since it is larger than the sum of its proper divisors (2170760703475).

32303353051661 is a wasteful number, since it uses less digits than its factorization.

32303353051661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540148.

The product of its (nonzero) digits is 437400, while the sum is 41.

Adding to 32303353051661 its reverse (16615035330323), we get a palindrome (48918388381984).

The spelling of 32303353051661 in words is "thirty-two trillion, three hundred three billion, three hundred fifty-three million, fifty-one thousand, six hundred sixty-one".