6961657605605 has 8 divisors (see below), whose sum is σ = 8354947315200. Its totient is φ = 5568687292176.

The previous prime is 6961657605571. The next prime is 6961657605761. The reversal of 6961657605605 is 5065067561696.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6961657605605 - 2³² = 6957362638309 is a prime.

It is a super-3 number, since 3×6961657605605³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79801085 + ... + 79888274.

It is an arithmetic number, because the mean of its divisors is an integer number (1044368414400).

Almost surely, 2^{6961657605605} is an apocalyptic number.

It is an amenable number.

6961657605605 is a deficient number, since it is larger than the sum of its proper divisors (1393289709595).

6961657605605 is a wasteful number, since it uses less digits than its factorization.

6961657605605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159698083.

The product of its (nonzero) digits is 61236000, while the sum is 62.

The spelling of 6961657605605 in words is "six trillion, nine hundred sixty-one billion, six hundred fifty-seven million, six hundred five thousand, six hundred five".