167990992 has 40 divisors (see below), whose sum is σ = 351609440. Its totient is φ = 77293440.

The previous prime is 167990941. The next prime is 167991001. The reversal of 167990992 is 299099761.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 77767 + ... + 79897.

It is an arithmetic number, because the mean of its divisors is an integer number (8790236).

Almost surely, 2^167990992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167990992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175804720).

167990992 is an abundant number, since it is smaller than the sum of its proper divisors (183618448).

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

167990992 is a wasteful number, since it uses less digits than its factorization.

167990992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531 (or 2525 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 52.

The square root of 167990992 is about 12961.1339010134. The cubic root of 167990992 is about 551.7749730408.

The spelling of 167990992 in words is "one hundred sixty-seven million, nine hundred ninety thousand, nine hundred ninety-two".