162420007 has 4 divisors (see below), whose sum is σ = 162449920. Its totient is φ = 162390096.

The previous prime is 162419977. The next prime is 162420017. The reversal of 162420007 is 700024261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700024261 = 22303 ⋅31387.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162420007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162420007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162420017) 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, 4263 + ... + 18520.

It is an arithmetic number, because the mean of its divisors is an integer number (40612480).

Almost surely, 2^162420007 is an apocalyptic number.

162420007 is a deficient number, since it is larger than the sum of its proper divisors (29913).

162420007 is an equidigital number, since it uses as much as digits as its factorization.

162420007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29912.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 162420007 is about 12744.4108141569. The cubic root of 162420007 is about 545.6068844841.

Adding to 162420007 its reverse (700024261), we get a palindrome (862444268).

The spelling of 162420007 in words is "one hundred sixty-two million, four hundred twenty thousand, seven".