16124412641 has 8 divisors (see below), whose sum is σ = 16702484520. Its totient is φ = 15547811328.

The previous prime is 16124412607. The next prime is 16124412679. The reversal of 16124412641 is 14621442161.

It can be written as a sum of positive squares in 4 ways, for example, as 1190595025 + 14933817616 = 34505^2 + 122204^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16124412641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16124412598 and 16124412607.

It is not an unprimeable number, because it can be changed into a prime (16124412541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345296 + ... + 389201.

It is an arithmetic number, because the mean of its divisors is an integer number (2087810565).

Almost surely, 2^16124412641 is an apocalyptic number.

It is an amenable number.

16124412641 is a deficient number, since it is larger than the sum of its proper divisors (578071879).

16124412641 is an equidigital number, since it uses as much as digits as its factorization.

16124412641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735283.

The product of its digits is 9216, while the sum is 32.

The spelling of 16124412641 in words is "sixteen billion, one hundred twenty-four million, four hundred twelve thousand, six hundred forty-one".