167425090925 has 6 divisors (see below), whose sum is σ = 207607112778. Its totient is φ = 133940072720.

The previous prime is 167425090907. The next prime is 167425090951. The reversal of 167425090925 is 529090524761.

It can be written as a sum of positive squares in 3 ways, for example, as 22137571369 + 145287519556 = 148787^2 + 381166^2 .

It is a de Polignac number, because none of the positive numbers 2^k-167425090925 is a prime.

It is a super-2 number, since 2×167425090925² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3348501794 + ... + 3348501843.

It is an arithmetic number, because the mean of its divisors is an integer number (34601185463).

Almost surely, 2^167425090925 is an apocalyptic number.

It is an amenable number.

167425090925 is a deficient number, since it is larger than the sum of its proper divisors (40182021853).

167425090925 is an equidigital number, since it uses as much as digits as its factorization.

167425090925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6697003647 (or 6697003642 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 167425090925 in words is "one hundred sixty-seven billion, four hundred twenty-five million, ninety thousand, nine hundred twenty-five".