6657607626061 has 24 divisors (see below), whose sum is σ = 7925547071904. Its totient is φ = 5573194230240.

The previous prime is 6657607626037. The next prime is 6657607626077. The reversal of 6657607626061 is 1606267067566.

It is not a de Polignac number, because 6657607626061 - 2³⁵ = 6623247887693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6657607625987 and 6657607626005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6657607621061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19389091 + ... + 19729471.

It is an arithmetic number, because the mean of its divisors is an integer number (330231127996).

Almost surely, 2^{6657607626061} is an apocalyptic number.

It is an amenable number.

6657607626061 is a deficient number, since it is larger than the sum of its proper divisors (1267939445843).

6657607626061 is a wasteful number, since it uses less digits than its factorization.

6657607626061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349721 (or 349714 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 58.

The spelling of 6657607626061 in words is "six trillion, six hundred fifty-seven billion, six hundred seven million, six hundred twenty-six thousand, sixty-one".