162042162251 has 4 divisors (see below), whose sum is σ = 162131051712. Its totient is φ = 161953272792.

The previous prime is 162042162241. The next prime is 162042162253. The reversal of 162042162251 is 152261240261.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162042162251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162042162253) 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, 44441996 + ... + 44445641.

It is an arithmetic number, because the mean of its divisors is an integer number (40532762928).

Almost surely, 2^162042162251 is an apocalyptic number.

162042162251 is a deficient number, since it is larger than the sum of its proper divisors (88889461).

162042162251 is an equidigital number, since it uses as much as digits as its factorization.

162042162251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88889460.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 162042162251 in words is "one hundred sixty-two billion, forty-two million, one hundred sixty-two thousand, two hundred fifty-one".