1493447166884 has 6 divisors (see below), whose sum is σ = 2613532542054. Its totient is φ = 746723583440.

The previous prime is 1493447166857. The next prime is 1493447166919. The reversal of 1493447166884 is 4886617443941.

It can be written as a sum of positive squares in only one way, i.e., 1330626846784 + 162820320100 = 1153528^2 + 403510^2 .

It is a super-2 number, since 2×1493447166884² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1493447166884.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186680895857 + ... + 186680895864.

It is an arithmetic number, because the mean of its divisors is an integer number (435588757009).

Almost surely, 2^{1493447166884} is an apocalyptic number.

It is an amenable number.

1493447166884 is a deficient number, since it is larger than the sum of its proper divisors (1120085375170).

1493447166884 is a wasteful number, since it uses less digits than its factorization.

1493447166884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373361791725 (or 373361791723 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 65.

The spelling of 1493447166884 in words is "one trillion, four hundred ninety-three billion, four hundred forty-seven million, one hundred sixty-six thousand, eight hundred eighty-four".