23661570692 has 6 divisors (see below), whose sum is σ = 41407748718. Its totient is φ = 11830785344.

The previous prime is 23661570619. The next prime is 23661570701. The reversal of 23661570692 is 29607516632.

It can be written as a sum of positive squares in only one way, i.e., 20858291776 + 2803278916 = 144424^2 + 52946^2 .

It is a super-2 number, since 2×23661570692² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2957696333 + ... + 2957696340.

It is an arithmetic number, because the mean of its divisors is an integer number (6901291453).

Almost surely, 2^23661570692 is an apocalyptic number.

It is an amenable number.

23661570692 is a deficient number, since it is larger than the sum of its proper divisors (17746178026).

23661570692 is a wasteful number, since it uses less digits than its factorization.

23661570692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915392677 (or 5915392675 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 23661570692 in words is "twenty-three billion, six hundred sixty-one million, five hundred seventy thousand, six hundred ninety-two".