162898427 has 4 divisors (see below), whose sum is σ = 164340120. Its totient is φ = 161456736.

The previous prime is 162898399. The next prime is 162898433. The reversal of 162898427 is 724898261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724898261 = 149 ⋅4865089.

It is a cyclic number.

It is not a de Polignac number, because 162898427 - 2⁶ = 162898363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162898027) 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 3 ways as a sum of consecutive naturals, for example, 720677 + ... + 720902.

It is an arithmetic number, because the mean of its divisors is an integer number (41085030).

Almost surely, 2^162898427 is an apocalyptic number.

162898427 is a deficient number, since it is larger than the sum of its proper divisors (1441693).

162898427 is a wasteful number, since it uses less digits than its factorization.

162898427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441692.

The product of its digits is 387072, while the sum is 47.

The square root of 162898427 is about 12763.1668092210. The cubic root of 162898427 is about 546.1420676705.

The spelling of 162898427 in words is "one hundred sixty-two million, eight hundred ninety-eight thousand, four hundred twenty-seven".