164335642 has 16 divisors (see below), whose sum is σ = 250496640. Its totient is φ = 80844192.

The previous prime is 164335631. The next prime is 164335643. The reversal of 164335642 is 246533461.

It is a junction number, because it is equal to n+sod(n) for n = 164335598 and 164335607.

It is not an unprimeable number, because it can be changed into a prime (164335643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47793 + ... + 51115.

It is an arithmetic number, because the mean of its divisors is an integer number (15656040).

Almost surely, 2^164335642 is an apocalyptic number.

164335642 is a deficient number, since it is larger than the sum of its proper divisors (86160998).

164335642 is a wasteful number, since it uses less digits than its factorization.

164335642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717.

The product of its digits is 51840, while the sum is 34.

The square root of 164335642 is about 12819.3463951950. The cubic root of 164335642 is about 547.7435286449.

The spelling of 164335642 in words is "one hundred sixty-four million, three hundred thirty-five thousand, six hundred forty-two".