164707481 has 2 divisors, whose sum is σ = 164707482. Its totient is φ = 164707480.

The previous prime is 164707429. The next prime is 164707489. The reversal of 164707481 is 184707461.

164707481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114297481 + 50410000 = 10691^2 + 7100^2 .

It is a cyclic number.

It is not a de Polignac number, because 164707481 - 2¹⁴ = 164691097 is a prime.

It is a super-2 number, since 2×164707481² = 54257108594730722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164707489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82353740 + 82353741.

It is an arithmetic number, because the mean of its divisors is an integer number (82353741).

Almost surely, 2^164707481 is an apocalyptic number.

It is an amenable number.

164707481 is a deficient number, since it is larger than the sum of its proper divisors (1).

164707481 is an equidigital number, since it uses as much as digits as its factorization.

164707481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 164707481 is about 12833.8412410315. The cubic root of 164707481 is about 548.1563402564.

The spelling of 164707481 in words is "one hundred sixty-four million, seven hundred seven thousand, four hundred eighty-one".