1331674720848 has 60 divisors (see below), whose sum is σ = 3729964073940. Its totient is φ = 443519436288.

The previous prime is 1331674720841. The next prime is 1331674720897. The reversal of 1331674720848 is 8480274761331.

1331674720848 is a `hidden beast` number, since 1 + 3 + 3 + 167 + 472 + 0 + 8 + 4 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 945974102544 + 385700618304 = 972612^2 + 621048^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1331674720794 and 1331674720803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331674720841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3704043 + ... + 4047626.

It is an arithmetic number, because the mean of its divisors is an integer number (62166067899).

Almost surely, 2^{1331674720848} is an apocalyptic number.

1331674720848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1331674720848 is an abundant number, since it is smaller than the sum of its proper divisors (2398289353092).

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

1331674720848 is a wasteful number, since it uses less digits than its factorization.

1331674720848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7752876 (or 7752867 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 1331674720848 in words is "one trillion, three hundred thirty-one billion, six hundred seventy-four million, seven hundred twenty thousand, eight hundred forty-eight".