16445007678 has 16 divisors (see below), whose sum is σ = 35880016896. Its totient is φ = 4983335640.

The previous prime is 16445007653. The next prime is 16445007701. The reversal of 16445007678 is 87670054461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124583326 + ... + 124583457.

It is an arithmetic number, because the mean of its divisors is an integer number (2242501056).

Almost surely, 2^16445007678 is an apocalyptic number.

16445007678 is an abundant number, since it is smaller than the sum of its proper divisors (19435009218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16445007678 is a wasteful number, since it uses less digits than its factorization.

16445007678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249166799.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 16445007678 in words is "sixteen billion, four hundred forty-five million, seven thousand, six hundred seventy-eight".