1323161666104 has 32 divisors (see below), whose sum is σ = 2517994458720. Its totient is φ = 651763040256.

The previous prime is 1323161666081. The next prime is 1323161666147. The reversal of 1323161666104 is 4016661613231.

It is a super-2 number, since 2×1323161666104² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4001017 + ... + 4319080.

It is an arithmetic number, because the mean of its divisors is an integer number (78687326835).

Almost surely, 2^{1323161666104} is an apocalyptic number.

It is an amenable number.

1323161666104 is a deficient number, since it is larger than the sum of its proper divisors (1194832792616).

1323161666104 is a wasteful number, since it uses less digits than its factorization.

1323161666104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8320399 (or 8320395 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 1323161666104 in words is "one trillion, three hundred twenty-three billion, one hundred sixty-one million, six hundred sixty-six thousand, one hundred four".