164954729 has 2 divisors, whose sum is σ = 164954730. Its totient is φ = 164954728.

The previous prime is 164954707. The next prime is 164954743. The reversal of 164954729 is 927459461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162307600 + 2647129 = 12740^2 + 1627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164954729 is a prime.

It is not a weakly prime, because it can be changed into another prime (164954749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82477364 + 82477365.

It is an arithmetic number, because the mean of its divisors is an integer number (82477365).

Almost surely, 2^164954729 is an apocalyptic number.

It is an amenable number.

164954729 is a deficient number, since it is larger than the sum of its proper divisors (1).

164954729 is an equidigital number, since it uses as much as digits as its factorization.

164954729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 164954729 is about 12843.4702864919. The cubic root of 164954729 is about 548.4304884978.

The spelling of 164954729 in words is "one hundred sixty-four million, nine hundred fifty-four thousand, seven hundred twenty-nine".