6694369920 has 192 divisors, whose sum is σ = 26419011840. Its totient is φ = 1530132480.

The previous prime is 6694369919. The next prime is 6694369961. The reversal of 6694369920 is 299634966.

It is a tau number, because it is divible by the number of its divisors (192).

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, 42696 + ... + 123335.

It is an arithmetic number, because the mean of its divisors is an integer number (137599020).

Almost surely, 2^6694369920 is an apocalyptic number.

6694369920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6694369920 is an abundant number, since it is smaller than the sum of its proper divisors (19724641920).

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

6694369920 is a wasteful number, since it uses less digits than its factorization.

6694369920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166063 (or 166048 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The square root of 6694369920 is about 81819.1293036048. The cubic root of 6694369920 is about 1884.6754309402.

The spelling of 6694369920 in words is "six billion, six hundred ninety-four million, three hundred sixty-nine thousand, nine hundred twenty".