164166842 has 16 divisors (see below), whose sum is σ = 283580352. Its totient is φ = 69819360.

The previous prime is 164166833. The next prime is 164166869. The reversal of 164166842 is 248661461.

It is a junction number, because it is equal to n+sod(n) for n = 164166796 and 164166805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42923 + ... + 46590.

It is an arithmetic number, because the mean of its divisors is an integer number (17723772).

Almost surely, 2^164166842 is an apocalyptic number.

164166842 is a deficient number, since it is larger than the sum of its proper divisors (119413510).

164166842 is a wasteful number, since it uses less digits than its factorization.

164166842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89653.

The product of its digits is 55296, while the sum is 38.

The square root of 164166842 is about 12812.7609046606. The cubic root of 164166842 is about 547.5559232021. Note that the first 3 decimals are identical.

The spelling of 164166842 in words is "one hundred sixty-four million, one hundred sixty-six thousand, eight hundred forty-two".