16378675973 has 16 divisors (see below), whose sum is σ = 17918228160. Its totient is φ = 14847628800.

The previous prime is 16378675931. The next prime is 16378675987. The reversal of 16378675973 is 37957687361.

It is a cyclic number.

It is not a de Polignac number, because 16378675973 - 2⁶ = 16378675909 is a prime.

It is a super-2 number, since 2×16378675973² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16378675673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8143538 + ... + 8145548.

It is an arithmetic number, because the mean of its divisors is an integer number (1119889260).

Almost surely, 2^16378675973 is an apocalyptic number.

It is an amenable number.

16378675973 is a deficient number, since it is larger than the sum of its proper divisors (1539552187).

16378675973 is a wasteful number, since it uses less digits than its factorization.

16378675973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748.

The product of its digits is 40007520, while the sum is 62.

The spelling of 16378675973 in words is "sixteen billion, three hundred seventy-eight million, six hundred seventy-five thousand, nine hundred seventy-three".