16481658051 has 12 divisors (see below), whose sum is σ = 23807955600. Its totient is φ = 10987256880.

The previous prime is 16481657971. The next prime is 16481658077. The reversal of 16481658051 is 15085618461.

16481658051 is a `hidden beast` number, since 1 + 6 + 4 + 8 + 16 + 580 + 51 = 666.

It is not a de Polignac number, because 16481658051 - 2⁷ = 16481657923 is a prime.

It is a super-2 number, since 2×16481658051² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16481657988 and 16481658006.

It is not an unprimeable number, because it can be changed into a prime (16481658451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332425 + ... + 378773.

It is an arithmetic number, because the mean of its divisors is an integer number (1983996300).

Almost surely, 2^16481658051 is an apocalyptic number.

16481658051 is a deficient number, since it is larger than the sum of its proper divisors (7326297549).

16481658051 is a wasteful number, since it uses less digits than its factorization.

16481658051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85866 (or 85863 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 16481658051 in words is "sixteen billion, four hundred eighty-one million, six hundred fifty-eight thousand, fifty-one".