167161240 has 128 divisors (see below), whose sum is σ = 421977600. Its totient is φ = 59304960.

The previous prime is 167161237. The next prime is 167161273. The reversal of 167161240 is 42161761.

It is a junction number, because it is equal to n+sod(n) for n = 167161199 and 167161208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1275975 + ... + 1276105.

It is an arithmetic number, because the mean of its divisors is an integer number (3296700).

Almost surely, 2^167161240 is an apocalyptic number.

167161240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167161240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210988800).

167161240 is an abundant number, since it is smaller than the sum of its proper divisors (254816360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

167161240 is a wasteful number, since it uses less digits than its factorization.

167161240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 167161240 is about 12929.0850411002. The cubic root of 167161240 is about 550.8650189833.

It can be divided in two parts, 16716 and 1240, that added together give a square (17956 = 134²).

The spelling of 167161240 in words is "one hundred sixty-seven million, one hundred sixty-one thousand, two hundred forty".