23661165674 has 8 divisors (see below), whose sum is σ = 35537903940. Its totient is φ = 11815197696.

The previous prime is 23661165643. The next prime is 23661165683. The reversal of 23661165674 is 47656116632.

It can be written as a sum of positive squares in 2 ways, for example, as 23636910049 + 24255625 = 153743^2 + 4925^2 .

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

It is a super-2 number, since 2×23661165674² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7690649 + ... + 7693724.

Almost surely, 2^23661165674 is an apocalyptic number.

23661165674 is a deficient number, since it is larger than the sum of its proper divisors (11876738266).

23661165674 is a wasteful number, since it uses less digits than its factorization.

23661165674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15385144.

The product of its digits is 1088640, while the sum is 47.

The spelling of 23661165674 in words is "twenty-three billion, six hundred sixty-one million, one hundred sixty-five thousand, six hundred seventy-four".