6601010656061 has 4 divisors (see below), whose sum is σ = 6888011119392. Its totient is φ = 6314010192732.

The previous prime is 6601010656033. The next prime is 6601010656067. The reversal of 6601010656061 is 1606560101066.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6601010656061 - 2⁶ = 6601010655997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601010656067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143500231631 + ... + 143500231676.

It is an arithmetic number, because the mean of its divisors is an integer number (1722002779848).

Almost surely, 2^{6601010656061} is an apocalyptic number.

It is an amenable number.

6601010656061 is a deficient number, since it is larger than the sum of its proper divisors (287000463331).

6601010656061 is a wasteful number, since it uses less digits than its factorization.

6601010656061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287000463330.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 6601010656061 in words is "six trillion, six hundred one billion, ten million, six hundred fifty-six thousand, sixty-one".