1341990961680 has 160 divisors (see below), whose sum is σ = 4235836032000. Its totient is φ = 351370302976.

The previous prime is 1341990961673. The next prime is 1341990961681. The reversal of 1341990961680 is 861690991431.

It is a super-2 number, since 2×1341990961680² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1341990961680.

It is not an unprimeable number, because it can be changed into a prime (1341990961681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11653021 + ... + 11767619.

It is an arithmetic number, because the mean of its divisors is an integer number (26473975200).

Almost surely, 2^{1341990961680} is an apocalyptic number.

1341990961680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1341990961680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2117918016000).

1341990961680 is an abundant number, since it is smaller than the sum of its proper divisors (2893845070320).

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

1341990961680 is a wasteful number, since it uses less digits than its factorization.

1341990961680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115501 (or 115495 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 57.

The spelling of 1341990961680 in words is "one trillion, three hundred forty-one billion, nine hundred ninety million, nine hundred sixty-one thousand, six hundred eighty".