16016453894 has 24 divisors (see below), whose sum is σ = 28329927048. Its totient is φ = 6770161440.

The previous prime is 16016453891. The next prime is 16016453909. The reversal of 16016453894 is 49835461061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16016453891) 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, 1112252 + ... + 1126559.

It is an arithmetic number, because the mean of its divisors is an integer number (1180413627).

Almost surely, 2^16016453894 is an apocalyptic number.

16016453894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16016453894 is a deficient number, since it is larger than the sum of its proper divisors (12313473154).

16016453894 is a wasteful number, since it uses less digits than its factorization.

16016453894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238900 (or 2238893 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 16016453894 in words is "sixteen billion, sixteen million, four hundred fifty-three thousand, eight hundred ninety-four".