755251665 has 16 divisors (see below), whose sum is σ = 1381031808. Its totient is φ = 345257856.

The previous prime is 755251589. The next prime is 755251709. The reversal of 755251665 is 566152557.

It is a happy number.

It is not a de Polignac number, because 755251665 - 2¹⁰ = 755250641 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3596332 + ... + 3596541.

It is an arithmetic number, because the mean of its divisors is an integer number (86314488).

Almost surely, 2^755251665 is an apocalyptic number.

It is an amenable number.

755251665 is a deficient number, since it is larger than the sum of its proper divisors (625780143).

755251665 is a wasteful number, since it uses less digits than its factorization.

755251665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7192888.

The product of its digits is 315000, while the sum is 42.

The square root of 755251665 is about 27481.8424600681. The cubic root of 755251665 is about 910.6760121972.

The spelling of 755251665 in words is "seven hundred fifty-five million, two hundred fifty-one thousand, six hundred sixty-five".