167621494122 has 20 divisors (see below), whose sum is σ = 375596311266. Its totient is φ = 55873831320.

The previous prime is 167621494111. The next prime is 167621494151. The reversal of 167621494122 is 221494126761.

167621494122 is a `hidden beast` number, since 1 + 6 + 7 + 621 + 4 + 9 + 4 + 12 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 135159904881 + 32461589241 = 367641^2 + 180171^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 517350129 + ... + 517350452.

Almost surely, 2^167621494122 is an apocalyptic number.

167621494122 is an abundant number, since it is smaller than the sum of its proper divisors (207974817144).

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

167621494122 is a wasteful number, since it uses less digits than its factorization.

167621494122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034700595 (or 1034700586 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 167621494122 in words is "one hundred sixty-seven billion, six hundred twenty-one million, four hundred ninety-four thousand, one hundred twenty-two".