6651000161064 has 192 divisors, whose sum is σ = 22944627388800. Its totient is φ = 1694372401152.

The previous prime is 6651000161041. The next prime is 6651000161137. The reversal of 6651000161064 is 4601610001566.

It is a happy number.

6651000161064 is a `hidden beast` number, since 66 + 510 + 0 + 0 + 16 + 10 + 64 = 666.

It is a super-2 number, since 2×6651000161064² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 20265117 + ... + 20590700.

It is an arithmetic number, because the mean of its divisors is an integer number (119503267650).

Almost surely, 2^{6651000161064} is an apocalyptic number.

It is an amenable number.

6651000161064 is an abundant number, since it is smaller than the sum of its proper divisors (16293627227736).

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

6651000161064 is a wasteful number, since it uses less digits than its factorization.

6651000161064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40855872 (or 40855865 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 6651000161064 in words is "six trillion, six hundred fifty-one billion, one hundred sixty-one thousand, sixty-four".