16171045954 has 24 divisors (see below), whose sum is σ = 28679406588. Its totient is φ = 6816831840.

The previous prime is 16171045931. The next prime is 16171045987. The reversal of 16171045954 is 45954017161.

16171045954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15290559025 + 880486929 = 123655^2 + 29673^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16171045954.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1346569 + ... + 1358524.

Almost surely, 2^16171045954 is an apocalyptic number.

16171045954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16171045954 is a deficient number, since it is larger than the sum of its proper divisors (12508360634).

16171045954 is a wasteful number, since it uses less digits than its factorization.

16171045954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705170 (or 2705163 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 16171045954 in words is "sixteen billion, one hundred seventy-one million, forty-five thousand, nine hundred fifty-four".