8161573333696 has 14 divisors (see below), whose sum is σ = 16195622084180. Its totient is φ = 4080786666816.

The previous prime is 8161573333691. The next prime is 8161573333747. The reversal of 8161573333696 is 6963333751618.

It is a happy number.

It is a super-2 number, since 2×8161573333696² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8161573333691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63762291606 + ... + 63762291733.

It is an arithmetic number, because the mean of its divisors is an integer number (1156830148870).

Almost surely, 2^{8161573333696} is an apocalyptic number.

It is an amenable number.

8161573333696 is a deficient number, since it is larger than the sum of its proper divisors (8034048750484).

8161573333696 is a wasteful number, since it uses less digits than its factorization.

8161573333696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127524583351 (or 127524583341 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 61.

The spelling of 8161573333696 in words is "eight trillion, one hundred sixty-one billion, five hundred seventy-three million, three hundred thirty-three thousand, six hundred ninety-six".