168127049670938 has 4 divisors (see below), whose sum is σ = 252190574506410. Its totient is φ = 84063524835468.

The previous prime is 168127049670887. The next prime is 168127049670941. The reversal of 168127049670938 is 839076940721861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 95793844729489 + 72333204941449 = 9787433^2 + 8504893^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42031762417733 + ... + 42031762417736.

Almost surely, 2^{168127049670938} is an apocalyptic number.

168127049670938 is a deficient number, since it is larger than the sum of its proper divisors (84063524835472).

168127049670938 is an equidigital number, since it uses as much as digits as its factorization.

168127049670938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84063524835471.

The product of its (nonzero) digits is 219469824, while the sum is 71.

The spelling of 168127049670938 in words is "one hundred sixty-eight trillion, one hundred twenty-seven billion, forty-nine million, six hundred seventy thousand, nine hundred thirty-eight".