16444215324612 has 36 divisors (see below), whose sum is σ = 41573224645680. Its totient is φ = 5480626746672.

The previous prime is 16444215324499. The next prime is 16444215324619. The reversal of 16444215324612 is 21642351244461.

16444215324612 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 4 + 2 + 1 + 5 + 3 + 24 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (16444215324619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32174662 + ... + 32681757.

Almost surely, 2^{16444215324612} is an apocalyptic number.

16444215324612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16444215324612 is an abundant number, since it is smaller than the sum of its proper divisors (25129009321068).

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

16444215324612 is a wasteful number, since it uses less digits than its factorization.

16444215324612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64863472 (or 64863467 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The spelling of 16444215324612 in words is "sixteen trillion, four hundred forty-four billion, two hundred fifteen million, three hundred twenty-four thousand, six hundred twelve".