167649488790 has 128 divisors (see below), whose sum is σ = 463733157888. Its totient is φ = 37995834240.

The previous prime is 167649488707. The next prime is 167649488813. The reversal of 167649488790 is 97884946761.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54660837 + ... + 54663903.

It is an arithmetic number, because the mean of its divisors is an integer number (3622915296).

Almost surely, 2^167649488790 is an apocalyptic number.

167649488790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 167649488790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231866578944).

167649488790 is an abundant number, since it is smaller than the sum of its proper divisors (296083669098).

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

167649488790 is a wasteful number, since it uses less digits than its factorization.

167649488790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202.

The product of its (nonzero) digits is 146313216, while the sum is 69.

The spelling of 167649488790 in words is "one hundred sixty-seven billion, six hundred forty-nine million, four hundred eighty-eight thousand, seven hundred ninety".