333394327661 has 4 divisors (see below), whose sum is σ = 344148983424. Its totient is φ = 322639671900.

The previous prime is 333394327649. The next prime is 333394327687. The reversal of 333394327661 is 166723493333.

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 333394327661 - 2²⁶ = 333327218797 is a prime.

It is a super-2 number, since 2×333394327661² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333394327691) 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, 5377327835 + ... + 5377327896.

It is an arithmetic number, because the mean of its divisors is an integer number (86037245856).

Almost surely, 2^333394327661 is an apocalyptic number.

333394327661 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

333394327661 is a deficient number, since it is larger than the sum of its proper divisors (10754655763).

333394327661 is a wasteful number, since it uses less digits than its factorization.

333394327661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10754655762.

The product of its digits is 4408992, while the sum is 50.

The spelling of 333394327661 in words is "three hundred thirty-three billion, three hundred ninety-four million, three hundred twenty-seven thousand, six hundred sixty-one".