1899153847966 has 16 divisors (see below), whose sum is σ = 2889045774720. Its totient is φ = 936140367960.

The previous prime is 1899153847931. The next prime is 1899153847999. The reversal of 1899153847966 is 6697483519981.

It is a junction number, because it is equal to n+sod(n) for n = 1899153847892 and 1899153847901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736725 + ... + 2610463.

It is an arithmetic number, because the mean of its divisors is an integer number (180565360920).

Almost surely, 2^{1899153847966} is an apocalyptic number.

1899153847966 is a deficient number, since it is larger than the sum of its proper divisors (989891926754).

1899153847966 is a wasteful number, since it uses less digits than its factorization.

1899153847966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889119.

The product of its digits is 705438720, while the sum is 76.

The spelling of 1899153847966 in words is "one trillion, eight hundred ninety-nine billion, one hundred fifty-three million, eight hundred forty-seven thousand, nine hundred sixty-six".