162213151 has 4 divisors (see below), whose sum is σ = 162790704. Its totient is φ = 161635600.

The previous prime is 162213119. The next prime is 162213169. The reversal of 162213151 is 151312261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162213151 - 2⁵ = 162213119 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 (162213101) 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, 288355 + ... + 288916.

It is an arithmetic number, because the mean of its divisors is an integer number (40697676).

Almost surely, 2^162213151 is an apocalyptic number.

162213151 is a deficient number, since it is larger than the sum of its proper divisors (577553).

162213151 is an equidigital number, since it uses as much as digits as its factorization.

162213151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577552.

The product of its digits is 360, while the sum is 22.

The square root of 162213151 is about 12736.2926709463. The cubic root of 162213151 is about 545.3751601480.

The spelling of 162213151 in words is "one hundred sixty-two million, two hundred thirteen thousand, one hundred fifty-one".