16212513446386 has 8 divisors (see below), whose sum is σ = 24533980525404. Its totient is φ = 8034519937920.

The previous prime is 16212513446383. The next prime is 16212513446453. The reversal of 16212513446386 is 68364431521261.

It can be written as a sum of positive squares in 2 ways, for example, as 10731619087225 + 5480894359161 = 3275915^2 + 2341131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16212513446383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35868392355 + ... + 35868392806.

Almost surely, 2^{16212513446386} is an apocalyptic number.

16212513446386 is a deficient number, since it is larger than the sum of its proper divisors (8321467079018).

16212513446386 is a wasteful number, since it uses less digits than its factorization.

16212513446386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71736785276.

The product of its digits is 4976640, while the sum is 52.

The spelling of 16212513446386 in words is "sixteen trillion, two hundred twelve billion, five hundred thirteen million, four hundred forty-six thousand, three hundred eighty-six".