167317372120 has 128 divisors (see below), whose sum is σ = 422019460800. Its totient is φ = 59329069056.

The previous prime is 167317372093. The next prime is 167317372127. The reversal of 167317372120 is 21273713761.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167317372127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2197732 + ... + 2272588.

Almost surely, 2^167317372120 is an apocalyptic number.

167317372120 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 167317372120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211009730400).

167317372120 is an abundant number, since it is smaller than the sum of its proper divisors (254702088680).

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

167317372120 is a wasteful number, since it uses less digits than its factorization.

167317372120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75077 (or 75073 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 167317372120 in words is "one hundred sixty-seven billion, three hundred seventeen million, three hundred seventy-two thousand, one hundred twenty".