162418684397 has 4 divisors (see below), whose sum is σ = 162443103900. Its totient is φ = 162394264896.

The previous prime is 162418684391. The next prime is 162418684399. The reversal of 162418684397 is 793486814261.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54553076356 + 107865608041 = 233566^2 + 328429^2 .

It is a cyclic number.

It is not a de Polignac number, because 162418684397 - 2¹⁶ = 162418618861 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 (162418684391) 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, 12199772 + ... + 12213077.

It is an arithmetic number, because the mean of its divisors is an integer number (40610775975).

Almost surely, 2^162418684397 is an apocalyptic number.

It is an amenable number.

162418684397 is a deficient number, since it is larger than the sum of its proper divisors (24419503).

162418684397 is an equidigital number, since it uses as much as digits as its factorization.

162418684397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24419502.

The product of its digits is 13934592, while the sum is 59.

The spelling of 162418684397 in words is "one hundred sixty-two billion, four hundred eighteen million, six hundred eighty-four thousand, three hundred ninety-seven".