133468161616 has 20 divisors (see below), whose sum is σ = 258619986324. Its totient is φ = 66727520000.

The previous prime is 133468161611. The next prime is 133468161637. The reversal of 133468161616 is 616161864331.

It can be written as a sum of positive squares in 2 ways, for example, as 130751667216 + 2716494400 = 361596^2 + 52120^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133468161611) 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, 240085 + ... + 569716.

Almost surely, 2^133468161616 is an apocalyptic number.

133468161616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133468161616 is a deficient number, since it is larger than the sum of its proper divisors (125151824708).

133468161616 is a wasteful number, since it uses less digits than its factorization.

133468161616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820110 (or 820104 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The spelling of 133468161616 in words is "one hundred thirty-three billion, four hundred sixty-eight million, one hundred sixty-one thousand, six hundred sixteen".