162212077 has 4 divisors (see below), whose sum is σ = 169264800. Its totient is φ = 155159356.

The previous prime is 162212053. The next prime is 162212093. The reversal of 162212077 is 770212261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162212077 - 2¹¹ = 162210029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162212047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3526327 + ... + 3526372.

It is an arithmetic number, because the mean of its divisors is an integer number (42316200).

Almost surely, 2^162212077 is an apocalyptic number.

It is an amenable number.

162212077 is a deficient number, since it is larger than the sum of its proper divisors (7052723).

162212077 is an equidigital number, since it uses as much as digits as its factorization.

162212077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052722.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 162212077 is about 12736.2505079007. The cubic root of 162212077 is about 545.3739565173.

The spelling of 162212077 in words is "one hundred sixty-two million, two hundred twelve thousand, seventy-seven".