2145030889966 has 16 divisors (see below), whose sum is σ = 3229129920240. Its totient is φ = 1068654565440.

The previous prime is 2145030889933. The next prime is 2145030889973. The reversal of 2145030889966 is 6699880305412.

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, 16749565 + ... + 16877143.

It is an arithmetic number, because the mean of its divisors is an integer number (201820620015).

Almost surely, 2^{2145030889966} is an apocalyptic number.

2145030889966 is a deficient number, since it is larger than the sum of its proper divisors (1084099030274).

2145030889966 is a wasteful number, since it uses less digits than its factorization.

2145030889966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157779.

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 2145030889966 in words is "two trillion, one hundred forty-five billion, thirty million, eight hundred eighty-nine thousand, nine hundred sixty-six".