13166049036378 has 64 divisors (see below), whose sum is σ = 31131981619200. Its totient is φ = 3632485348800.

The previous prime is 13166049036317. The next prime is 13166049036397. The reversal of 13166049036378 is 87363094066131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10367428 + ... + 11567871.

It is an arithmetic number, because the mean of its divisors is an integer number (486437212800).

Almost surely, 2^{13166049036378} is an apocalyptic number.

13166049036378 is an abundant number, since it is smaller than the sum of its proper divisors (17965932582822).

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

13166049036378 is a wasteful number, since it uses less digits than its factorization.

13166049036378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21935803.

The product of its (nonzero) digits is 11757312, while the sum is 57.

The spelling of 13166049036378 in words is "thirteen trillion, one hundred sixty-six billion, forty-nine million, thirty-six thousand, three hundred seventy-eight".