164897044 has 24 divisors (see below), whose sum is σ = 313854408. Its totient is φ = 75350400.

The previous prime is 164897041. The next prime is 164897081. The reversal of 164897044 is 440798461.

It can be written as a sum of positive squares in 4 ways, for example, as 31494544 + 133402500 = 5612^2 + 11550^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164897041) 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, 10447 + ... + 20950.

It is an arithmetic number, because the mean of its divisors is an integer number (13077267).

Almost surely, 2^164897044 is an apocalyptic number.

It is an amenable number.

164897044 is a deficient number, since it is larger than the sum of its proper divisors (148957364).

164897044 is a wasteful number, since it uses less digits than its factorization.

164897044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31515 (or 31513 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 164897044 is about 12841.2243964507. The cubic root of 164897044 is about 548.3665519633.

The spelling of 164897044 in words is "one hundred sixty-four million, eight hundred ninety-seven thousand, forty-four".