6696129480 has 128 divisors (see below), whose sum is σ = 20864563200. Its totient is φ = 1717935872.

The previous prime is 6696129437. The next prime is 6696129499. The reversal of 6696129480 is 849216966.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322699 + ... + 342821.

It is an arithmetic number, because the mean of its divisors is an integer number (163004400).

Almost surely, 2^6696129480 is an apocalyptic number.

6696129480 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 6696129480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10432281600).

6696129480 is an abundant number, since it is smaller than the sum of its proper divisors (14168433720).

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

6696129480 is a wasteful number, since it uses less digits than its factorization.

6696129480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20243 (or 20239 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 6696129480 is about 81829.8813392761. The cubic root of 6696129480 is about 1884.8405402803.

The spelling of 6696129480 in words is "six billion, six hundred ninety-six million, one hundred twenty-nine thousand, four hundred eighty".