1474161705666 has 24 divisors (see below), whose sum is σ = 3439710647100. Its totient is φ = 453588217056.

The previous prime is 1474161705649. The next prime is 1474161705689. The reversal of 1474161705666 is 6665071614741.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1455123501225 + 19038204441 = 1206285^2 + 137979^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3149917941 + ... + 3149918408.

Almost surely, 2^{1474161705666} is an apocalyptic number.

1474161705666 is an abundant number, since it is smaller than the sum of its proper divisors (1965548941434).

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

1474161705666 is a wasteful number, since it uses less digits than its factorization.

1474161705666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6299836370 (or 6299836367 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 1474161705666 in words is "one trillion, four hundred seventy-four billion, one hundred sixty-one million, seven hundred five thousand, six hundred sixty-six".