164401652 has 12 divisors (see below), whose sum is σ = 291997440. Its totient is φ = 80973816.

The previous prime is 164401613. The next prime is 164401681. The reversal of 164401652 is 256104461.

164401652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×164401652³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306452 + ... + 306987.

It is an arithmetic number, because the mean of its divisors is an integer number (24333120).

Almost surely, 2^164401652 is an apocalyptic number.

It is an amenable number.

164401652 is a deficient number, since it is larger than the sum of its proper divisors (127595788).

164401652 is a wasteful number, since it uses less digits than its factorization.

164401652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613510 (or 613508 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 164401652 is about 12821.9207609469. The cubic root of 164401652 is about 547.8168576560.

The spelling of 164401652 in words is "one hundred sixty-four million, four hundred one thousand, six hundred fifty-two".