32133430611661 has 4 divisors (see below), whose sum is σ = 32433743047392. Its totient is φ = 31833118175932.

The previous prime is 32133430611593. The next prime is 32133430611683. The reversal of 32133430611661 is 16611603433123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32133430611661 - 2⁴¹ = 29934407356109 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32133430611361) 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, 150156217705 + ... + 150156217918.

It is an arithmetic number, because the mean of its divisors is an integer number (8108435761848).

Almost surely, 2^{32133430611661} is an apocalyptic number.

It is an amenable number.

32133430611661 is a deficient number, since it is larger than the sum of its proper divisors (300312435731).

32133430611661 is a wasteful number, since it uses less digits than its factorization.

32133430611661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300312435730.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 32133430611661 in words is "thirty-two trillion, one hundred thirty-three billion, four hundred thirty million, six hundred eleven thousand, six hundred sixty-one".