16144212776 has 8 divisors (see below), whose sum is σ = 30270398970. Its totient is φ = 8072106384.

The previous prime is 16144212769. The next prime is 16144212781. The reversal of 16144212776 is 67721244161.

It can be written as a sum of positive squares in only one way, i.e., 14890344676 + 1253868100 = 122026^2 + 35410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009013291 + ... + 1009013306.

Almost surely, 2^16144212776 is an apocalyptic number.

It is an amenable number.

16144212776 is a deficient number, since it is larger than the sum of its proper divisors (14126186194).

16144212776 is a wasteful number, since it uses less digits than its factorization.

16144212776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018026603 (or 2018026599 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The spelling of 16144212776 in words is "sixteen billion, one hundred forty-four million, two hundred twelve thousand, seven hundred seventy-six".