16411521299 has 4 divisors (see below), whose sum is σ = 16429380240. Its totient is φ = 16393662360.

The previous prime is 16411521289. The next prime is 16411521307. The reversal of 16411521299 is 99212511461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99212511461 = 7 ⋅14173215923.

It is a cyclic number.

It is not a de Polignac number, because 16411521299 - 2¹⁶ = 16411455763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16411521229) 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, 8928092 + ... + 8929929.

It is an arithmetic number, because the mean of its divisors is an integer number (4107345060).

Almost surely, 2^16411521299 is an apocalyptic number.

16411521299 is a deficient number, since it is larger than the sum of its proper divisors (17858941).

16411521299 is an equidigital number, since it uses as much as digits as its factorization.

16411521299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17858940.

The product of its digits is 38880, while the sum is 41.

The spelling of 16411521299 in words is "sixteen billion, four hundred eleven million, five hundred twenty-one thousand, two hundred ninety-nine".