164821948 has 12 divisors (see below), whose sum is σ = 291679920. Its totient is φ = 81484832.

The previous prime is 164821907. The next prime is 164822011. The reversal of 164821948 is 849128461.

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, 231136 + ... + 231847.

It is an arithmetic number, because the mean of its divisors is an integer number (24306660).

Almost surely, 2^164821948 is an apocalyptic number.

It is an amenable number.

164821948 is a deficient number, since it is larger than the sum of its proper divisors (126857972).

164821948 is a wasteful number, since it uses less digits than its factorization.

164821948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463076 (or 463074 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 164821948 is about 12838.3000432300. The cubic root of 164821948 is about 548.2832951899.

The spelling of 164821948 in words is "one hundred sixty-four million, eight hundred twenty-one thousand, nine hundred forty-eight".