16451464542212 has 24 divisors (see below), whose sum is σ = 32903086797504. Its totient is φ = 7050593865312.

The previous prime is 16451464542211. The next prime is 16451464542221. The reversal of 16451464542212 is 21224546415461.

It is not an unprimeable number, because it can be changed into a prime (16451464542211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5058698 + ... + 7648094.

It is an arithmetic number, because the mean of its divisors is an integer number (1370961949896).

Almost surely, 2^{16451464542212} is an apocalyptic number.

It is an amenable number.

16451464542212 is an abundant number, since it is smaller than the sum of its proper divisors (16451622255292).

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

16451464542212 is a wasteful number, since it uses less digits than its factorization.

16451464542212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816315 (or 2816313 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 47.

The spelling of 16451464542212 in words is "sixteen trillion, four hundred fifty-one billion, four hundred sixty-four million, five hundred forty-two thousand, two hundred twelve".