164410864398457 has 2 divisors, whose sum is σ = 164410864398458. Its totient is φ = 164410864398456.

The previous prime is 164410864398359. The next prime is 164410864398491. The reversal of 164410864398457 is 754893468014461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133238563495801 + 31172300902656 = 11542901^2 + 5583216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164410864398457 is a prime.

It is a super-3 number, since 3×164410864398457³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (164410864398257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82205432199228 + 82205432199229.

It is an arithmetic number, because the mean of its divisors is an integer number (82205432199229).

Almost surely, 2^{164410864398457} is an apocalyptic number.

It is an amenable number.

164410864398457 is a deficient number, since it is larger than the sum of its proper divisors (1).

164410864398457 is an equidigital number, since it uses as much as digits as its factorization.

164410864398457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 557383680, while the sum is 70.

The spelling of 164410864398457 in words is "one hundred sixty-four trillion, four hundred ten billion, eight hundred sixty-four million, three hundred ninety-eight thousand, four hundred fifty-seven".