552165621166 has 4 divisors (see below), whose sum is σ = 828248431752. Its totient is φ = 276082810582.

The previous prime is 552165621149. The next prime is 552165621173. The reversal of 552165621166 is 661126561255.

It is a happy number.

552165621166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661126561255 = 5 ⋅132225312251.

It is a super-3 number, since 3×552165621166³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138041405290 + ... + 138041405293.

It is an arithmetic number, because the mean of its divisors is an integer number (207062107938).

Almost surely, 2^552165621166 is an apocalyptic number.

552165621166 is a deficient number, since it is larger than the sum of its proper divisors (276082810586).

552165621166 is a wasteful number, since it uses less digits than its factorization.

552165621166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276082810585.

The product of its digits is 648000, while the sum is 46.

The spelling of 552165621166 in words is "five hundred fifty-two billion, one hundred sixty-five million, six hundred twenty-one thousand, one hundred sixty-six".