167561122 has 8 divisors (see below), whose sum is σ = 253647900. Its totient is φ = 83011824.

The previous prime is 167561117. The next prime is 167561131. The reversal of 167561122 is 221165761.

It can be written as a sum of positive squares in 2 ways, for example, as 165920161 + 1640961 = 12881^2 + 1281^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384097 + ... + 384532.

Almost surely, 2^167561122 is an apocalyptic number.

167561122 is a deficient number, since it is larger than the sum of its proper divisors (86086778).

167561122 is a wasteful number, since it uses less digits than its factorization.

167561122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768740.

The product of its digits is 5040, while the sum is 31.

The square root of 167561122 is about 12944.5402390351. The cubic root of 167561122 is about 551.3039277219.

The spelling of 167561122 in words is "one hundred sixty-seven million, five hundred sixty-one thousand, one hundred twenty-two".