6694155600 has 180 divisors, whose sum is σ = 23570762208. Its totient is φ = 1622790400.

The previous prime is 6694155599. The next prime is 6694155617. The reversal of 6694155600 is 65514966.

It is a super-2 number, since 2×6694155600² = 89623438394022720000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 122149 + ... + 168251.

Almost surely, 2^6694155600 is an apocalyptic number.

6694155600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6694155600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11785381104).

6694155600 is an abundant number, since it is smaller than the sum of its proper divisors (16876606608).

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

6694155600 is a wasteful number, since it uses less digits than its factorization.

6694155600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46146 (or 46124 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 6694155600 is about 81817.8195749557. The cubic root of 6694155600 is about 1884.6553181214.

The spelling of 6694155600 in words is "six billion, six hundred ninety-four million, one hundred fifty-five thousand, six hundred".