162609806 has 4 divisors (see below), whose sum is σ = 243914712. Its totient is φ = 81304902.

The previous prime is 162609781. The next prime is 162609817. The reversal of 162609806 is 608906261.

162609806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608906261 = 7673 ⋅79357.

It is a self number, because there is not a number n which added to its sum of digits gives 162609806.

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, 40652450 + ... + 40652453.

It is an arithmetic number, because the mean of its divisors is an integer number (60978678).

Almost surely, 2^162609806 is an apocalyptic number.

162609806 is a deficient number, since it is larger than the sum of its proper divisors (81304906).

162609806 is an equidigital number, since it uses as much as digits as its factorization.

162609806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81304905.

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

The square root of 162609806 is about 12751.8550023124. The cubic root of 162609806 is about 545.8193282009.

The spelling of 162609806 in words is "one hundred sixty-two million, six hundred nine thousand, eight hundred six".