162117670 has 64 divisors (see below), whose sum is σ = 347747904. Its totient is φ = 53637120.

The previous prime is 162117667. The next prime is 162117679. The reversal of 162117670 is 76711261.

162117670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162117679) 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 31 ways as a sum of consecutive naturals, for example, 103614 + ... + 105166.

It is an arithmetic number, because the mean of its divisors is an integer number (5433561).

Almost surely, 2^162117670 is an apocalyptic number.

162117670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162117670 is an abundant number, since it is smaller than the sum of its proper divisors (185630234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162117670 is a wasteful number, since it uses less digits than its factorization.

162117670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 162117670 is about 12732.5437364260. The cubic root of 162117670 is about 545.2681339181.

It can be divided in two parts, 1621 and 17670, that added together give a palindrome (19291).

The spelling of 162117670 in words is "one hundred sixty-two million, one hundred seventeen thousand, six hundred seventy".