16454545699 has 12 divisors (see below), whose sum is σ = 17735665824. Its totient is φ = 15256830672.

The previous prime is 16454545673. The next prime is 16454545717. The reversal of 16454545699 is 99654545461.

It is not a de Polignac number, because 16454545699 - 2³³ = 7864611107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16454555699) 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, 467932 + ... + 501865.

It is an arithmetic number, because the mean of its divisors is an integer number (1477972152).

Almost surely, 2^16454545699 is an apocalyptic number.

16454545699 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16454545699 is a deficient number, since it is larger than the sum of its proper divisors (1281120125).

16454545699 is an equidigital number, since it uses as much as digits as its factorization.

16454545699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969882 (or 969863 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 58.

The spelling of 16454545699 in words is "sixteen billion, four hundred fifty-four million, five hundred forty-five thousand, six hundred ninety-nine".