6942395616 has 144 divisors (see below), whose sum is σ = 19818812160. Its totient is φ = 2126891520.

The previous prime is 6942395573. The next prime is 6942395653. The reversal of 6942395616 is 6165932496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4395915 + ... + 4397493.

It is an arithmetic number, because the mean of its divisors is an integer number (137630640).

Almost surely, 2^6942395616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6942395616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9909406080).

6942395616 is an abundant number, since it is smaller than the sum of its proper divisors (12876416544).

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

6942395616 is a wasteful number, since it uses less digits than its factorization.

6942395616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889 (or 1868 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 51.

The square root of 6942395616 is about 83321.0394558301. The cubic root of 6942395616 is about 1907.6694266193.

The spelling of 6942395616 in words is "six billion, nine hundred forty-two million, three hundred ninety-five thousand, six hundred sixteen".