167673212220 has 96 divisors (see below), whose sum is σ = 473452148736. Its totient is φ = 44335782400.

The previous prime is 167673212197. The next prime is 167673212251. The reversal of 167673212220 is 22212376761.

It is a super-2 number, since 2×167673212220² (a number of 23 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 7477225 + ... + 7499615.

It is an arithmetic number, because the mean of its divisors is an integer number (4931793216).

Almost surely, 2^167673212220 is an apocalyptic number.

167673212220 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 167673212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236726074368).

167673212220 is an abundant number, since it is smaller than the sum of its proper divisors (305778936516).

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

167673212220 is a wasteful number, since it uses less digits than its factorization.

167673212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23451 (or 23449 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

Adding to 167673212220 its reverse (22212376761), we get a palindrome (189885588981).

The spelling of 167673212220 in words is "one hundred sixty-seven billion, six hundred seventy-three million, two hundred twelve thousand, two hundred twenty".