164554461 has 6 divisors (see below), whose sum is σ = 237689790. Its totient is φ = 109702968.

The previous prime is 164554457. The next prime is 164554463. The reversal of 164554461 is 164455461.

164554461 is a `hidden beast` number, since 1 + 64 + 554 + 46 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 93489561 + 71064900 = 9669^2 + 8430^2 .

It is not a de Polignac number, because 164554461 - 2² = 164554457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164554463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9141906 + ... + 9141923.

It is an arithmetic number, because the mean of its divisors is an integer number (39614965).

Almost surely, 2^164554461 is an apocalyptic number.

It is an amenable number.

164554461 is a deficient number, since it is larger than the sum of its proper divisors (73135329).

164554461 is a wasteful number, since it uses less digits than its factorization.

164554461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18283835 (or 18283832 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 164554461 is about 12827.8782735104. The cubic root of 164554461 is about 547.9865344250.

The spelling of 164554461 in words is "one hundred sixty-four million, five hundred fifty-four thousand, four hundred sixty-one".