766535161 has 8 divisors (see below), whose sum is σ = 883793664. Its totient is φ = 651215040.

The previous prime is 766535087. The next prime is 766535207. The reversal of 766535161 is 161535667.

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

It is not a de Polignac number, because 766535161 - 2¹¹ = 766533113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766535761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483745 + ... + 485326.

It is an arithmetic number, because the mean of its divisors is an integer number (110474208).

Almost surely, 2^766535161 is an apocalyptic number.

It is an amenable number.

766535161 is a deficient number, since it is larger than the sum of its proper divisors (117258503).

766535161 is a wasteful number, since it uses less digits than its factorization.

766535161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969191.

The product of its digits is 113400, while the sum is 40.

The square root of 766535161 is about 27686.3713946050. The cubic root of 766535161 is about 915.1887935952.

The spelling of 766535161 in words is "seven hundred sixty-six million, five hundred thirty-five thousand, one hundred sixty-one".