10055165661 has 32 divisors (see below), whose sum is σ = 15779934720. Its totient is φ = 6306273792.

The previous prime is 10055165657. The next prime is 10055165669. The reversal of 10055165661 is 16656155001.

It is not a de Polignac number, because 10055165661 - 2² = 10055165657 is a prime.

It is a super-2 number, since 2×10055165661² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10055165669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1531161 + ... + 1537713.

It is an arithmetic number, because the mean of its divisors is an integer number (493122960).

Almost surely, 2^10055165661 is an apocalyptic number.

It is an amenable number.

10055165661 is a deficient number, since it is larger than the sum of its proper divisors (5724769059).

10055165661 is a wasteful number, since it uses less digits than its factorization.

10055165661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922 (or 9916 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 10055165661 in words is "ten billion, fifty-five million, one hundred sixty-five thousand, six hundred sixty-one".