10642061166 has 64 divisors (see below), whose sum is σ = 24644632320. Its totient is φ = 3027791360.

The previous prime is 10642061123. The next prime is 10642061167. The reversal of 10642061166 is 66116024601.

It is a happy number.

It is a super-2 number, since 2×10642061166² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642061167) 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, 458800 + ... + 481436.

It is an arithmetic number, because the mean of its divisors is an integer number (385072380).

Almost surely, 2^10642061166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10642061166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12322316160).

10642061166 is an abundant number, since it is smaller than the sum of its proper divisors (14002571154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10642061166 is a wasteful number, since it uses less digits than its factorization.

10642061166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23089.

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 10642061166 its reverse (66116024601), we get a palindrome (76758085767).

The spelling of 10642061166 in words is "ten billion, six hundred forty-two million, sixty-one thousand, one hundred sixty-six".