162629138 has 24 divisors (see below), whose sum is σ = 285866172. Its totient is φ = 69183744.

The previous prime is 162629101. The next prime is 162629141. The reversal of 162629138 is 831926261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 162129289 + 499849 = 12733^2 + 707^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7370 + ... + 19482.

Almost surely, 2^162629138 is an apocalyptic number.

162629138 is a deficient number, since it is larger than the sum of its proper divisors (123237034).

162629138 is a wasteful number, since it uses less digits than its factorization.

162629138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12266 (or 12259 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 162629138 is about 12752.6129871489. The cubic root of 162629138 is about 545.8409574031.

The spelling of 162629138 in words is "one hundred sixty-two million, six hundred twenty-nine thousand, one hundred thirty-eight".