162794638 has 4 divisors (see below), whose sum is σ = 244191960. Its totient is φ = 81397318.

The previous prime is 162794627. The next prime is 162794647. The reversal of 162794638 is 836497261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 836497261 = 233 ⋅3590117.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40698658 + ... + 40698661.

It is an arithmetic number, because the mean of its divisors is an integer number (61047990).

Almost surely, 2^162794638 is an apocalyptic number.

162794638 is a deficient number, since it is larger than the sum of its proper divisors (81397322).

162794638 is an equidigital number, since it uses as much as digits as its factorization.

162794638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81397321.

The product of its digits is 435456, while the sum is 46.

The square root of 162794638 is about 12759.1002033842. The cubic root of 162794638 is about 546.0260534916.

The spelling of 162794638 in words is "one hundred sixty-two million, seven hundred ninety-four thousand, six hundred thirty-eight".