13366252446 has 16 divisors (see below), whose sum is σ = 26772234384. Its totient is φ = 4448795904.

The previous prime is 13366252441. The next prime is 13366252507. The reversal of 13366252446 is 64425266331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13366252398 and 13366252407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13366252441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1651021 + ... + 1659096.

It is an arithmetic number, because the mean of its divisors is an integer number (1673264649).

Almost surely, 2^13366252446 is an apocalyptic number.

13366252446 is an abundant number, since it is smaller than the sum of its proper divisors (13405981938).

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

13366252446 is a wasteful number, since it uses less digits than its factorization.

13366252446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310795.

The product of its digits is 622080, while the sum is 42.

The spelling of 13366252446 in words is "thirteen billion, three hundred sixty-six million, two hundred fifty-two thousand, four hundred forty-six".