3351666466431 has 56 divisors (see below), whose sum is σ = 5201149800000. Its totient is φ = 2156288081472.

The previous prime is 3351666466417. The next prime is 3351666466483. The reversal of 3351666466431 is 1346646661533.

It is not a de Polignac number, because 3351666466431 - 2⁶ = 3351666466367 is a prime.

It is a super-2 number, since 2×3351666466431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3351666465431) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 42221205 + ... + 42300513.

It is an arithmetic number, because the mean of its divisors is an integer number (92877675000).

Almost surely, 2^{3351666466431} is an apocalyptic number.

3351666466431 is a deficient number, since it is larger than the sum of its proper divisors (1849483333569).

3351666466431 is an equidigital number, since it uses as much as digits as its factorization.

3351666466431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81355 (or 81340 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 54.

The spelling of 3351666466431 in words is "three trillion, three hundred fifty-one billion, six hundred sixty-six million, four hundred sixty-six thousand, four hundred thirty-one".