13662101546 has 4 divisors (see below), whose sum is σ = 20493152322. Its totient is φ = 6831050772.

The previous prime is 13662101533. The next prime is 13662101573. The reversal of 13662101546 is 64510126631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64510126631 = 127 ⋅507953753.

It can be written as a sum of positive squares in only one way, i.e., 12440948521 + 1221153025 = 111539^2 + 34945^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3415525385 + ... + 3415525388.

Almost surely, 2^13662101546 is an apocalyptic number.

13662101546 is a deficient number, since it is larger than the sum of its proper divisors (6831050776).

13662101546 is an equidigital number, since it uses as much as digits as its factorization.

13662101546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6831050775.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 13662101546 in words is "thirteen billion, six hundred sixty-two million, one hundred one thousand, five hundred forty-six".