6641632134 has 96 divisors (see below), whose sum is σ = 15626856960. Its totient is φ = 2031912000.

The previous prime is 6641632111. The next prime is 6641632141. The reversal of 6641632134 is 4312361466.

6641632134 is a `hidden beast` number, since 6 + 6 + 4 + 1 + 632 + 13 + 4 = 666.

It is a super-2 number, since 2×6641632134² = 88222554806762787912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1621429 + ... + 1625519.

It is an arithmetic number, because the mean of its divisors is an integer number (162779760).

Almost surely, 2^6641632134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6641632134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7813428480).

6641632134 is an abundant number, since it is smaller than the sum of its proper divisors (8985224826).

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

6641632134 is a wasteful number, since it uses less digits than its factorization.

6641632134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266 (or 4263 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 6641632134 is about 81496.2093228881. The cubic root of 6641632134 is about 1879.7132630068.

The spelling of 6641632134 in words is "six billion, six hundred forty-one million, six hundred thirty-two thousand, one hundred thirty-four".