162606523 has 4 divisors (see below), whose sum is σ = 162632080. Its totient is φ = 162580968.

The previous prime is 162606497. The next prime is 162606559. The reversal of 162606523 is 325606261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 325606261 = 83 ⋅3922967.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162606523 is a prime.

It is a super-3 number, since 3×162606523³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162606593) 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, 5161 + ... + 18757.

It is an arithmetic number, because the mean of its divisors is an integer number (40658020).

Almost surely, 2^162606523 is an apocalyptic number.

162606523 is a deficient number, since it is larger than the sum of its proper divisors (25557).

162606523 is a wasteful number, since it uses less digits than its factorization.

162606523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25556.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 162606523 is about 12751.7262752931. The cubic root of 162606523 is about 545.8156549150.

The spelling of 162606523 in words is "one hundred sixty-two million, six hundred six thousand, five hundred twenty-three".