1341661749888 has 64 divisors (see below), whose sum is σ = 3686678330400. Its totient is φ = 431799180288.

The previous prime is 1341661749887. The next prime is 1341661749931. The reversal of 1341661749888 is 8889471661431.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1341661749888² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1341661749887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60228706 + ... + 60250977.

Almost surely, 2^{1341661749888} is an apocalyptic number.

It is an amenable number.

1341661749888 is an abundant number, since it is smaller than the sum of its proper divisors (2345016580512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1341661749888 is a wasteful number, since it uses less digits than its factorization.

1341661749888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120479729 (or 120479717 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 66.

The spelling of 1341661749888 in words is "one trillion, three hundred forty-one billion, six hundred sixty-one million, seven hundred forty-nine thousand, eight hundred eighty-eight".