86661610323 has 32 divisors (see below), whose sum is σ = 121754712576. Its totient is φ = 54723195648.

The previous prime is 86661610307. The next prime is 86661610337. The reversal of 86661610323 is 32301616668.

It is not a de Polignac number, because 86661610323 - 2⁴ = 86661610307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86661610423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3101511 + ... + 3129327.

It is an arithmetic number, because the mean of its divisors is an integer number (3804834768).

Almost surely, 2^86661610323 is an apocalyptic number.

86661610323 is a deficient number, since it is larger than the sum of its proper divisors (35093102253).

86661610323 is a wasteful number, since it uses less digits than its factorization.

86661610323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28283.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 86661610323 in words is "eighty-six billion, six hundred sixty-one million, six hundred ten thousand, three hundred twenty-three".