164055925 has 24 divisors (see below), whose sum is σ = 224449920. Its totient is φ = 117955200.

The previous prime is 164055923. The next prime is 164055977. The reversal of 164055925 is 529550461.

It is not a de Polignac number, because 164055925 - 2¹ = 164055923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164055923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21124 + ... + 27826.

It is an arithmetic number, because the mean of its divisors is an integer number (9352080).

Almost surely, 2^164055925 is an apocalyptic number.

It is an amenable number.

164055925 is a deficient number, since it is larger than the sum of its proper divisors (60393995).

164055925 is a wasteful number, since it uses less digits than its factorization.

164055925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813 (or 6808 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 164055925 is about 12808.4317931588. The cubic root of 164055925 is about 547.4325792865.

The spelling of 164055925 in words is "one hundred sixty-four million, fifty-five thousand, nine hundred twenty-five".