13669619563674 has 160 divisors (see below), whose sum is σ = 32997925255680. Its totient is φ = 4216270900608.

The previous prime is 13669619563661. The next prime is 13669619563697. The reversal of 13669619563674 is 47636591696631.

13669619563674 is a `hidden beast` number, since 1 + 366 + 9 + 6 + 195 + 6 + 3 + 6 + 74 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 36191004 + ... + 36566760.

It is an arithmetic number, because the mean of its divisors is an integer number (206237032848).

Almost surely, 2^{13669619563674} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13669619563674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16498962627840).

13669619563674 is an abundant number, since it is smaller than the sum of its proper divisors (19328305692006).

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

13669619563674 is a wasteful number, since it uses less digits than its factorization.

13669619563674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376066 (or 376057 counting only the distinct ones).

The product of its digits is 793618560, while the sum is 72.

The spelling of 13669619563674 in words is "thirteen trillion, six hundred sixty-nine billion, six hundred nineteen million, five hundred sixty-three thousand, six hundred seventy-four".