167159121370 has 16 divisors (see below), whose sum is σ = 300913033320. Its totient is φ = 66857734144.

The previous prime is 167159121359. The next prime is 167159121377. The reversal of 167159121370 is 73121951761.

It can be written as a sum of positive squares in 4 ways, for example, as 93652524729 + 73506596641 = 306027^2 + 271121^2 .

It is not an unprimeable number, because it can be changed into a prime (167159121377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619675 + ... + 847534.

Almost surely, 2^167159121370 is an apocalyptic number.

167159121370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

167159121370 is a deficient number, since it is larger than the sum of its proper divisors (133753911950).

167159121370 is a wasteful number, since it uses less digits than its factorization.

167159121370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478609.

The product of its (nonzero) digits is 79380, while the sum is 43.

It can be divided in two parts, 1671591 and 21370, that added together give a palindrome (1692961).

The spelling of 167159121370 in words is "one hundred sixty-seven billion, one hundred fifty-nine million, one hundred twenty-one thousand, three hundred seventy".