33161626644481 has 4 divisors (see below), whose sum is σ = 33161682520512. Its totient is φ = 33161570768452.

The previous prime is 33161626644457. The next prime is 33161626644493. The reversal of 33161626644481 is 18444662616133.

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 33161626644481 - 2⁵ = 33161626644449 is a prime.

It is a super-2 number, since 2×33161626644481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33161626645481) 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, 27038125 + ... + 28237978.

It is an arithmetic number, because the mean of its divisors is an integer number (8290420630128).

Almost surely, 2^{33161626644481} is an apocalyptic number.

It is an amenable number.

33161626644481 is a deficient number, since it is larger than the sum of its proper divisors (55876031).

33161626644481 is an equidigital number, since it uses as much as digits as its factorization.

33161626644481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55876030.

The product of its digits is 11943936, while the sum is 55.

The spelling of 33161626644481 in words is "thirty-three trillion, one hundred sixty-one billion, six hundred twenty-six million, six hundred forty-four thousand, four hundred eighty-one".