1378305061164 has 36 divisors (see below), whose sum is σ = 3518544447600. Its totient is φ = 454886157600.

The previous prime is 1378305061123. The next prime is 1378305061171. The reversal of 1378305061164 is 4611605038731.

1378305061164 is a `hidden beast` number, since 1 + 3 + 7 + 83 + 0 + 506 + 1 + 1 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189532264 + ... + 189539535.

Almost surely, 2^{1378305061164} is an apocalyptic number.

It is an amenable number.

1378305061164 is an abundant number, since it is smaller than the sum of its proper divisors (2140239386436).

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

1378305061164 is a wasteful number, since it uses less digits than its factorization.

1378305061164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379071910 (or 379071905 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 1378305061164 in words is "one trillion, three hundred seventy-eight billion, three hundred five million, sixty-one thousand, one hundred sixty-four".