766252508541 has 16 divisors (see below), whose sum is σ = 1164981190464. Its totient is φ = 443802357504.

The previous prime is 766252508537. The next prime is 766252508587. The reversal of 766252508541 is 145805252667.

It is not a de Polignac number, because 766252508541 - 2² = 766252508537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766252508521) 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, 577866991 + ... + 577868316.

It is an arithmetic number, because the mean of its divisors is an integer number (72811324404).

Almost surely, 2^766252508541 is an apocalyptic number.

It is an amenable number.

766252508541 is a deficient number, since it is larger than the sum of its proper divisors (398728681923).

766252508541 is a wasteful number, since it uses less digits than its factorization.

766252508541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155735340.

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 766252508541 in words is "seven hundred sixty-six billion, two hundred fifty-two million, five hundred eight thousand, five hundred forty-one".