162639074 has 8 divisors (see below), whose sum is σ = 262724700. Its totient is φ = 75064176.

The previous prime is 162639073. The next prime is 162639077. The reversal of 162639074 is 470936261.

162639074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 162384049 + 255025 = 12743^2 + 505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (162639073) 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, 3127649 + ... + 3127700.

Almost surely, 2^162639074 is an apocalyptic number.

162639074 is a deficient number, since it is larger than the sum of its proper divisors (100085626).

162639074 is a wasteful number, since it uses less digits than its factorization.

162639074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6255364.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 162639074 is about 12753.0025484197. The cubic root of 162639074 is about 545.8520734212.

The spelling of 162639074 in words is "one hundred sixty-two million, six hundred thirty-nine thousand, seventy-four".