162138474379 has 16 divisors (see below), whose sum is σ = 187877836800. Its totient is φ = 137051538624.

The previous prime is 162138474367. The next prime is 162138474391. The reversal of 162138474379 is 973474831261.

It is an interprime number because it is at equal distance from previous prime (162138474367) and next prime (162138474391).

It is not a de Polignac number, because 162138474379 - 2¹³ = 162138466187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162138474319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107227 + ... + 579460.

It is an arithmetic number, because the mean of its divisors is an integer number (11742364800).

Almost surely, 2^162138474379 is an apocalyptic number.

162138474379 is a deficient number, since it is larger than the sum of its proper divisors (25739362421).

162138474379 is an equidigital number, since it uses as much as digits as its factorization.

162138474379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687162.

The product of its digits is 6096384, while the sum is 55.

The spelling of 162138474379 in words is "one hundred sixty-two billion, one hundred thirty-eight million, four hundred seventy-four thousand, three hundred seventy-nine".