13166263046425 has 12 divisors (see below), whose sum is σ = 16326245528236. Its totient is φ = 10532959243200.

The previous prime is 13166263046423. The next prime is 13166263046473. The reversal of 13166263046425 is 52464036266131.

13166263046425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 55643148544 + 13110619897881 = 235888^2 + 3620859^2 .

It is not a de Polignac number, because 13166263046425 - 2¹ = 13166263046423 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13166263046423) 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, 4473895 + ... + 6807955.

Almost surely, 2^{13166263046425} is an apocalyptic number.

It is an amenable number.

13166263046425 is a deficient number, since it is larger than the sum of its proper divisors (3159982481811).

13166263046425 is a wasteful number, since it uses less digits than its factorization.

13166263046425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559708 (or 2559703 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 13166263046425 in words is "thirteen trillion, one hundred sixty-six billion, two hundred sixty-three million, forty-six thousand, four hundred twenty-five".