168870052037 has 4 divisors (see below), whose sum is σ = 172988833836. Its totient is φ = 164751270240.

The previous prime is 168870052033. The next prime is 168870052051. The reversal of 168870052037 is 730250078861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 730250078861 = 150343 ⋅4857227.

It can be written as a sum of positive squares in 2 ways, for example, as 80038633921 + 88831418116 = 282911^2 + 298046^2 .

It is a cyclic number.

It is not a de Polignac number, because 168870052037 - 2² = 168870052033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168870051982 and 168870052000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168870052033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2059390838 + ... + 2059390919.

It is an arithmetic number, because the mean of its divisors is an integer number (43247208459).

Almost surely, 2^168870052037 is an apocalyptic number.

It is an amenable number.

168870052037 is a deficient number, since it is larger than the sum of its proper divisors (4118781799).

168870052037 is an equidigital number, since it uses as much as digits as its factorization.

168870052037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118781798.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 168870052037 in words is "one hundred sixty-eight billion, eight hundred seventy million, fifty-two thousand, thirty-seven".