164046520 has 32 divisors (see below), whose sum is σ = 402660720. Its totient is φ = 59653120.

The previous prime is 164046517. The next prime is 164046521. The reversal of 164046520 is 25640461.

164046520 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-2 number, since 2×164046520² = 53822521448220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164046521) 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, 185977 + ... + 186856.

Almost surely, 2^164046520 is an apocalyptic number.

164046520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164046520 is an abundant number, since it is smaller than the sum of its proper divisors (238614200).

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

164046520 is a wasteful number, since it uses less digits than its factorization.

164046520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372855 (or 372851 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 164046520 is about 12808.0646469324. The cubic root of 164046520 is about 547.4221180128.

Adding to 164046520 its reverse (25640461), we get a palindrome (189686981).

The spelling of 164046520 in words is "one hundred sixty-four million, forty-six thousand, five hundred twenty".