162212657 has 6 divisors (see below), whose sum is σ = 171810198. Its totient is φ = 152621312.

The previous prime is 162212647. The next prime is 162212663. The reversal of 162212657 is 756212261.

162212657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 120209296 + 42003361 = 10964^2 + 6481^2 .

It is not a de Polignac number, because 162212657 - 2²⁶ = 95103793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162212647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50969 + ... + 54057.

It is an arithmetic number, because the mean of its divisors is an integer number (28635033).

Almost surely, 2^162212657 is an apocalyptic number.

162212657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

162212657 is a deficient number, since it is larger than the sum of its proper divisors (9597541).

162212657 is an frugal number, since it uses more digits than its factorization.

162212657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195 (or 3106 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 162212657 is about 12736.2732775330. The cubic root of 162212657 is about 545.3746065234.

The spelling of 162212657 in words is "one hundred sixty-two million, two hundred twelve thousand, six hundred fifty-seven".