127553165 has 16 divisors (see below), whose sum is σ = 159522480. Its totient is φ = 97789440.

The previous prime is 127553161. The next prime is 127553177. The reversal of 127553165 is 561355721.

It can be written as a sum of positive squares in 8 ways, for example, as 2157961 + 125395204 = 1469^2 + 11198^2 .

It is not a de Polignac number, because 127553165 - 2² = 127553161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127553161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16655 + ... + 23075.

It is an arithmetic number, because the mean of its divisors is an integer number (9970155).

Almost surely, 2^127553165 is an apocalyptic number.

It is an amenable number.

127553165 is a deficient number, since it is larger than the sum of its proper divisors (31969315).

127553165 is a wasteful number, since it uses less digits than its factorization.

127553165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6592.

The product of its digits is 31500, while the sum is 35.

The square root of 127553165 is about 11293.9437310445. The cubic root of 127553165 is about 503.3813020474.

The spelling of 127553165 in words is "one hundred twenty-seven million, five hundred fifty-three thousand, one hundred sixty-five".