16486444351 has 16 divisors (see below), whose sum is σ = 18002194560. Its totient is φ = 15006551040.

The previous prime is 16486444313. The next prime is 16486444363. The reversal of 16486444351 is 15344468461.

It is a happy number.

It is not a de Polignac number, because 16486444351 - 2¹⁷ = 16486313279 is a prime.

It is a super-2 number, since 2×16486444351² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16486444301) 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, 833391 + ... + 852943.

It is an arithmetic number, because the mean of its divisors is an integer number (1125137160).

Almost surely, 2^16486444351 is an apocalyptic number.

16486444351 is a deficient number, since it is larger than the sum of its proper divisors (1515750209).

16486444351 is a wasteful number, since it uses less digits than its factorization.

16486444351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20466.

The product of its digits is 1105920, while the sum is 46.

The spelling of 16486444351 in words is "sixteen billion, four hundred eighty-six million, four hundred forty-four thousand, three hundred fifty-one".