13166442402 has 8 divisors (see below), whose sum is σ = 26332884816. Its totient is φ = 4388814132.

The previous prime is 13166442389. The next prime is 13166442409. The reversal of 13166442402 is 20424466131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

13166442402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13166442409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097203528 + ... + 1097203539.

It is an arithmetic number, because the mean of its divisors is an integer number (3291610602).

Almost surely, 2^13166442402 is an apocalyptic number.

13166442402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13166442402 is a wasteful number, since it uses less digits than its factorization.

13166442402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194407072.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 13166442402 in words is "thirteen billion, one hundred sixty-six million, four hundred forty-two thousand, four hundred two".