10166021050 has 24 divisors (see below), whose sum is σ = 19560829500. Its totient is φ = 3926186880.

The previous prime is 10166021011. The next prime is 10166021051. The reversal of 10166021050 is 5012066101.

It can be written as a sum of positive squares in 6 ways, for example, as 7086104041 + 3079917009 = 84179^2 + 55497^2 .

It is not an unprimeable number, because it can be changed into a prime (10166021051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3504075 + ... + 3506974.

Almost surely, 2^10166021050 is an apocalyptic number.

10166021050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10166021050 is a deficient number, since it is larger than the sum of its proper divisors (9394808450).

10166021050 is a wasteful number, since it uses less digits than its factorization.

10166021050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7011090 (or 7011085 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 10166021050 its reverse (5012066101), we get a palindrome (15178087151).

The spelling of 10166021050 in words is "ten billion, one hundred sixty-six million, twenty-one thousand, fifty".