6641411620 has 24 divisors (see below), whose sum is σ = 14681016000. Its totient is φ = 2516745312.

The previous prime is 6641411603. The next prime is 6641411627. The reversal of 6641411620 is 261141466.

It is not an unprimeable number, because it can be changed into a prime (6641411627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8738320 + ... + 8739079.

It is an arithmetic number, because the mean of its divisors is an integer number (611709000).

Almost surely, 2^6641411620 is an apocalyptic number.

It is an amenable number.

6641411620 is an abundant number, since it is smaller than the sum of its proper divisors (8039604380).

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

6641411620 is a wasteful number, since it uses less digits than its factorization.

6641411620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17477427 (or 17477425 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 6641411620 is about 81494.8564021068. The cubic root of 6641411620 is about 1879.6924595020.

The spelling of 6641411620 in words is "six billion, six hundred forty-one million, four hundred eleven thousand, six hundred twenty".