164700506 has 16 divisors (see below), whose sum is σ = 252262080. Its totient is φ = 80624640.

The previous prime is 164700479. The next prime is 164700509. The reversal of 164700506 is 605007461.

It is not an unprimeable number, because it can be changed into a prime (164700509) 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, 27611 + ... + 33041.

It is an arithmetic number, because the mean of its divisors is an integer number (15766380).

Almost surely, 2^164700506 is an apocalyptic number.

164700506 is a deficient number, since it is larger than the sum of its proper divisors (87561574).

164700506 is a wasteful number, since it uses less digits than its factorization.

164700506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 164700506 is about 12833.5694956625. The cubic root of 164700506 is about 548.1486024082.

Adding to 164700506 its reverse (605007461), we get a palindrome (769707967).

The spelling of 164700506 in words is "one hundred sixty-four million, seven hundred thousand, five hundred six".