7138161657837 has 12 divisors (see below), whose sum is σ = 11783631943200. Its totient is φ = 4078949518728.

The previous prime is 7138161657833. The next prime is 7138161657839. The reversal of 7138161657837 is 7387561618317.

7138161657837 is a `hidden beast` number, since 7 + 1 + 3 + 8 + 1 + 616 + 5 + 7 + 8 + 3 + 7 = 666.

It is not a de Polignac number, because 7138161657837 - 2² = 7138161657833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 113304153299 = 7138161657837 / (7 + 1 + 3 + 8 + 1 + 6 + 1 + 6 + 5 + 7 + 8 + 3 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138161657833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56652076587 + ... + 56652076712.

It is an arithmetic number, because the mean of its divisors is an integer number (981969328600).

Almost surely, 2^{7138161657837} is an apocalyptic number.

It is an amenable number.

7138161657837 is a deficient number, since it is larger than the sum of its proper divisors (4645470285363).

7138161657837 is a wasteful number, since it uses less digits than its factorization.

7138161657837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113304153312 (or 113304153309 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 63.

The spelling of 7138161657837 in words is "seven trillion, one hundred thirty-eight billion, one hundred sixty-one million, six hundred fifty-seven thousand, eight hundred thirty-seven".