1397481166080 has 216 divisors, whose sum is σ = 5089621074720. Its totient is φ = 353047818240.

The previous prime is 1397481166079. The next prime is 1397481166087. The reversal of 1397481166080 is 806611847931.

1397481166080 is a `hidden beast` number, since 1 + 3 + 97 + 481 + 16 + 60 + 8 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397481166087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2973466 + ... + 3411225.

Almost surely, 2^{1397481166080} is an apocalyptic number.

1397481166080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1397481166080 is an abundant number, since it is smaller than the sum of its proper divisors (3692139908640).

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

1397481166080 is a wasteful number, since it uses less digits than its factorization.

1397481166080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384737 (or 6384720 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 1397481166080 in words is "one trillion, three hundred ninety-seven billion, four hundred eighty-one million, one hundred sixty-six thousand, eighty".