167425840985 has 8 divisors (see below), whose sum is σ = 216365702280. Its totient is φ = 123637544064.

The previous prime is 167425840961. The next prime is 167425840999. The reversal of 167425840985 is 589048524761.

It can be written as a sum of positive squares in 4 ways, for example, as 207821056 + 167218019929 = 14416^2 + 408923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 167425840985 - 2¹⁶ = 167425775449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287891020 + ... + 1287891149.

It is an arithmetic number, because the mean of its divisors is an integer number (27045712785).

Almost surely, 2^167425840985 is an apocalyptic number.

It is an amenable number.

167425840985 is a deficient number, since it is larger than the sum of its proper divisors (48939861295).

167425840985 is a wasteful number, since it uses less digits than its factorization.

167425840985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575782187.

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 167425840985 in words is "one hundred sixty-seven billion, four hundred twenty-five million, eight hundred forty thousand, nine hundred eighty-five".