1373164181397 has 24 divisors (see below), whose sum is σ = 1985081978880. Its totient is φ = 914694216480.

The previous prime is 1373164181383. The next prime is 1373164181407. The reversal of 1373164181397 is 7931814613731.

It is a happy number.

1373164181397 is a `hidden beast` number, since 1 + 3 + 73 + 1 + 6 + 4 + 181 + 397 = 666.

It is not a de Polignac number, because 1373164181397 - 2⁷ = 1373164181269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373164181357) 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, 63806883 + ... + 63828399.

It is an arithmetic number, because the mean of its divisors is an integer number (82711749120).

Almost surely, 2^{1373164181397} is an apocalyptic number.

It is an amenable number.

1373164181397 is a deficient number, since it is larger than the sum of its proper divisors (611917797483).

1373164181397 is a wasteful number, since it uses less digits than its factorization.

1373164181397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26993 (or 26990 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The spelling of 1373164181397 in words is "one trillion, three hundred seventy-three billion, one hundred sixty-four million, one hundred eighty-one thousand, three hundred ninety-seven".