16122213451 has 4 divisors (see below), whose sum is σ = 16182147600. Its totient is φ = 16062279304.

The previous prime is 16122213413. The next prime is 16122213467. The reversal of 16122213451 is 15431222161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16122213451 - 2⁷ = 16122213323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16122210451) 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, 29966671 + ... + 29967208.

It is an arithmetic number, because the mean of its divisors is an integer number (4045536900).

Almost surely, 2^16122213451 is an apocalyptic number.

16122213451 is a deficient number, since it is larger than the sum of its proper divisors (59934149).

16122213451 is an equidigital number, since it uses as much as digits as its factorization.

16122213451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59934148.

The product of its digits is 2880, while the sum is 28.

The spelling of 16122213451 in words is "sixteen billion, one hundred twenty-two million, two hundred thirteen thousand, four hundred fifty-one".