164153506 has 16 divisors (see below), whose sum is σ = 268878528. Its totient is φ = 74542000.

The previous prime is 164153503. The next prime is 164153519. The reversal of 164153506 is 605351461.

It is not an unprimeable number, because it can be changed into a prime (164153503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23856 + ... + 29956.

It is an arithmetic number, because the mean of its divisors is an integer number (16804908).

Almost surely, 2^164153506 is an apocalyptic number.

164153506 is a deficient number, since it is larger than the sum of its proper divisors (104725022).

164153506 is a wasteful number, since it uses less digits than its factorization.

164153506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 164153506 is about 12812.2404754204. The cubic root of 164153506 is about 547.5410960027.

The spelling of 164153506 in words is "one hundred sixty-four million, one hundred fifty-three thousand, five hundred six".