755740161047557 has 16 divisors (see below), whose sum is σ = 863801167881600. Its totient is φ = 647703690278400.

The previous prime is 755740161047483. The next prime is 755740161047633.

755740161047557 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 755740161047557 - 2²⁷ = 755740026829829 is a prime.

It is a super-2 number, since 2×755740161047557² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755740161047957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2290171869 + ... + 2290501837.

It is an arithmetic number, because the mean of its divisors is an integer number (53987572992600).

Almost surely, 2^{755740161047557} is an apocalyptic number.

It is an amenable number.

755740161047557 is a deficient number, since it is larger than the sum of its proper divisors (108061006834043).

755740161047557 is a wasteful number, since it uses less digits than its factorization.

755740161047557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366156.

The product of its (nonzero) digits is 144060000, while the sum is 64.

The spelling of 755740161047557 in words is "seven hundred fifty-five trillion, seven hundred forty billion, one hundred sixty-one million, forty-seven thousand, five hundred fifty-seven".