23409621166 has 16 divisors (see below), whose sum is σ = 35727836400. Its totient is φ = 11501535168.

The previous prime is 23409621133. The next prime is 23409621223. The reversal of 23409621166 is 66112690432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258756 + ... + 337303.

It is an arithmetic number, because the mean of its divisors is an integer number (2232989775).

Almost surely, 2^23409621166 is an apocalyptic number.

23409621166 is a deficient number, since it is larger than the sum of its proper divisors (12318215234).

23409621166 is a wasteful number, since it uses less digits than its factorization.

23409621166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596403.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 23409621166 in words is "twenty-three billion, four hundred nine million, six hundred twenty-one thousand, one hundred sixty-six".