16694037045 has 48 divisors (see below), whose sum is σ = 33311566080. Its totient is φ = 7575835392.

The previous prime is 16694037037. The next prime is 16694037109. The reversal of 16694037045 is 54073049661.

16694037045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16694037045 - 2³ = 16694037037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 150265 + ... + 236574.

It is an arithmetic number, because the mean of its divisors is an integer number (693990960).

Almost surely, 2^16694037045 is an apocalyptic number.

16694037045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16694037045 is a deficient number, since it is larger than the sum of its proper divisors (16617529035).

16694037045 is a wasteful number, since it uses less digits than its factorization.

16694037045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386994 (or 386991 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 16694037045 in words is "sixteen billion, six hundred ninety-four million, thirty-seven thousand, forty-five".