167149772425 has 12 divisors (see below), whose sum is σ = 207271935756. Its totient is φ = 133715806400.

The previous prime is 167149772411. The next prime is 167149772431. The reversal of 167149772425 is 524277941761.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 23957157961 + 143192614464 = 154781^2 + 378408^2 .

It is not a de Polignac number, because 167149772425 - 2⁹ = 167149771913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 976347 + ... + 1134703.

It is an arithmetic number, because the mean of its divisors is an integer number (17272661313).

Almost surely, 2^167149772425 is an apocalyptic number.

It is an amenable number.

167149772425 is a deficient number, since it is larger than the sum of its proper divisors (40122163331).

167149772425 is a wasteful number, since it uses less digits than its factorization.

167149772425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200588 (or 200583 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 55.

The spelling of 167149772425 in words is "one hundred sixty-seven billion, one hundred forty-nine million, seven hundred seventy-two thousand, four hundred twenty-five".