253200166669 has 2 divisors, whose sum is σ = 253200166670. Its totient is φ = 253200166668.

The previous prime is 253200166649. The next prime is 253200166673. The reversal of 253200166669 is 966661002352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243764375625 + 9435791044 = 493725^2 + 97138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253200166669 is a prime.

It is a super-2 number, since 2×253200166669² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253200166619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126600083334 + 126600083335.

It is an arithmetic number, because the mean of its divisors is an integer number (126600083335).

Almost surely, 2^253200166669 is an apocalyptic number.

It is an amenable number.

253200166669 is a deficient number, since it is larger than the sum of its proper divisors (1).

253200166669 is an equidigital number, since it uses as much as digits as its factorization.

253200166669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 253200166669 in words is "two hundred fifty-three billion, two hundred million, one hundred sixty-six thousand, six hundred sixty-nine".