838156161 has 8 divisors (see below), whose sum is σ = 1131006240. Its totient is φ = 552038432.

The previous prime is 838156147. The next prime is 838156171. The reversal of 838156161 is 161651838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 838156161 - 2²⁵ = 804601729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (838156171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1682796 + ... + 1683293.

It is an arithmetic number, because the mean of its divisors is an integer number (141375780).

Almost surely, 2^838156161 is an apocalyptic number.

It is an amenable number.

838156161 is a deficient number, since it is larger than the sum of its proper divisors (292850079).

838156161 is a wasteful number, since it uses less digits than its factorization.

838156161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366175.

The product of its digits is 34560, while the sum is 39.

The square root of 838156161 is about 28950.9267727304. The cubic root of 838156161 is about 942.8479198265.

The spelling of 838156161 in words is "eight hundred thirty-eight million, one hundred fifty-six thousand, one hundred sixty-one".