766530120181 has 8 divisors (see below), whose sum is σ = 885065706560. Its totient is φ = 650252354688.

The previous prime is 766530120179. The next prime is 766530120197. The reversal of 766530120181 is 181021035667.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 766530120181 - 2¹ = 766530120179 is a prime.

It is a super-2 number, since 2×766530120181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766530120781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564454491 + ... + 564455848.

It is an arithmetic number, because the mean of its divisors is an integer number (110633213320).

Almost surely, 2^766530120181 is an apocalyptic number.

It is an amenable number.

766530120181 is a deficient number, since it is larger than the sum of its proper divisors (118535586379).

766530120181 is a wasteful number, since it uses less digits than its factorization.

766530120181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128910443.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 766530120181 in words is "seven hundred sixty-six billion, five hundred thirty million, one hundred twenty thousand, one hundred eighty-one".