167836481 has 12 divisors (see below), whose sum is σ = 178998372. Its totient is φ = 157330944.

The previous prime is 167836463. The next prime is 167836489. The reversal of 167836481 is 184638761.

It can be written as a sum of positive squares in 2 ways, for example, as 113209600 + 54626881 = 10640^2 + 7391^2 .

It is not a de Polignac number, because 167836481 - 2¹⁴ = 167820097 is a prime.

It is a super-2 number, since 2×167836481² = 56338168708926722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (167836489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32621 + ... + 37413.

It is an arithmetic number, because the mean of its divisors is an integer number (14916531).

Almost surely, 2^167836481 is an apocalyptic number.

It is an amenable number.

167836481 is a deficient number, since it is larger than the sum of its proper divisors (11161891).

167836481 is an equidigital number, since it uses as much as digits as its factorization.

167836481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928 (or 4909 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 167836481 is about 12955.1719787890. The cubic root of 167836481 is about 551.6057547328.

The spelling of 167836481 in words is "one hundred sixty-seven million, eight hundred thirty-six thousand, four hundred eighty-one".