164426942 has 8 divisors (see below), whose sum is σ = 246732696. Its totient is φ = 82182712.

The previous prime is 164426939. The next prime is 164426947. The reversal of 164426942 is 249624461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×164426942³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164426896 and 164426905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164426947) 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, 7988 + ... + 19815.

It is an arithmetic number, because the mean of its divisors is an integer number (30841587).

Almost surely, 2^164426942 is an apocalyptic number.

164426942 is a deficient number, since it is larger than the sum of its proper divisors (82305754).

164426942 is a wasteful number, since it uses less digits than its factorization.

164426942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30762.

The product of its digits is 82944, while the sum is 38.

The square root of 164426942 is about 12822.9069247187. The cubic root of 164426942 is about 547.8449465424.

The spelling of 164426942 in words is "one hundred sixty-four million, four hundred twenty-six thousand, nine hundred forty-two".