16411521347 has 16 divisors (see below), whose sum is σ = 18165608160. Its totient is φ = 14739070176.

The previous prime is 16411521307. The next prime is 16411521349. The reversal of 16411521347 is 74312511461.

It is not a de Polignac number, because 16411521347 - 2¹² = 16411517251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16411521349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646028 + ... + 670950.

It is an arithmetic number, because the mean of its divisors is an integer number (1135350510).

Almost surely, 2^16411521347 is an apocalyptic number.

16411521347 is a deficient number, since it is larger than the sum of its proper divisors (1754086813).

16411521347 is an frugal number, since it uses more digits than its factorization.

16411521347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25047 (or 24973 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The spelling of 16411521347 in words is "sixteen billion, four hundred eleven million, five hundred twenty-one thousand, three hundred forty-seven".