12435020166 has 32 divisors (see below), whose sum is σ = 25686447840. Its totient is φ = 4011081984.

The previous prime is 12435020161. The next prime is 12435020179. The reversal of 12435020166 is 66102053421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12435020161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244621 + ... + 291048.

It is an arithmetic number, because the mean of its divisors is an integer number (802701495).

Almost surely, 2^12435020166 is an apocalyptic number.

12435020166 is an abundant number, since it is smaller than the sum of its proper divisors (13251427674).

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

12435020166 is a wasteful number, since it uses less digits than its factorization.

12435020166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535800.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 12435020166 its reverse (66102053421), we get a palindrome (78537073587).

The spelling of 12435020166 in words is "twelve billion, four hundred thirty-five million, twenty thousand, one hundred sixty-six".