164656446 has 32 divisors (see below), whose sum is σ = 336112416. Its totient is φ = 53760000.

The previous prime is 164656423. The next prime is 164656483. The reversal of 164656446 is 644656461.

It is a super-2 number, since 2×164656446² = 54223490418701832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164656398 and 164656407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102046 + ... + 103646.

It is an arithmetic number, because the mean of its divisors is an integer number (10503513).

Almost surely, 2^164656446 is an apocalyptic number.

164656446 is an abundant number, since it is smaller than the sum of its proper divisors (171455970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164656446 is a wasteful number, since it uses less digits than its factorization.

164656446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948.

The product of its digits is 414720, while the sum is 42.

The square root of 164656446 is about 12831.8527890558. The cubic root of 164656446 is about 548.0997185645.

The spelling of 164656446 in words is "one hundred sixty-four million, six hundred fifty-six thousand, four hundred forty-six".