170162025049 has 9 divisors (see below), whose sum is σ = 171470097631. Its totient is φ = 168863865520.

The previous prime is 170162025041. The next prime is 170162025119. The reversal of 170162025049 is 940520261071.

The square root of 170162025049 is 412507.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 99953984025 + 70208041024 = 316155^2 + 264968^2 .

It is not a de Polignac number, because 170162025049 - 2³ = 170162025041 is a prime.

It is a super-2 number, since 2×170162025049² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 170162024999 and 170162025017.

It is not an unprimeable number, because it can be changed into a prime (170162025041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56511954 + ... + 56514964.

Almost surely, 2^170162025049 is an apocalyptic number.

170162025049 is the 412507-th square number.

170162025049 is the 206254-th centered octagonal number.

It is an amenable number.

170162025049 is a deficient number, since it is larger than the sum of its proper divisors (1308072582).

170162025049 is an frugal number, since it uses more digits than its factorization.

170162025049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296 (or 3148 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 170162025049 in words is "one hundred seventy billion, one hundred sixty-two million, twenty-five thousand, forty-nine".