170870051 has 16 divisors (see below), whose sum is σ = 191116800. Its totient is φ = 151435680.

The previous prime is 170870017. The next prime is 170870053. The reversal of 170870051 is 150078071.

It is not a de Polignac number, because 170870051 - 2¹⁴ = 170853667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 170869996 and 170870023.

It is not an unprimeable number, because it can be changed into a prime (170870053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179960 + ... + 180906.

It is an arithmetic number, because the mean of its divisors is an integer number (11944800).

Almost surely, 2^170870051 is an apocalyptic number.

170870051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

170870051 is a deficient number, since it is larger than the sum of its proper divisors (20246749).

170870051 is a wasteful number, since it uses less digits than its factorization.

170870051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 170870051 is about 13071.7271620854. The cubic root of 170870051 is about 554.9092739180.

The spelling of 170870051 in words is "one hundred seventy million, eight hundred seventy thousand, fifty-one".