6961097986656 has 48 divisors (see below), whose sum is σ = 19934053328448. Its totient is φ = 2109423632000.

The previous prime is 6961097986637. The next prime is 6961097986663. The reversal of 6961097986656 is 6566897901696.

It is a tau number, because it is divible by the number of its divisors (48).

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, 3295973370 + ... + 3295975481.

It is an arithmetic number, because the mean of its divisors is an integer number (415292777676).

Almost surely, 2^{6961097986656} is an apocalyptic number.

6961097986656 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6961097986656 is an abundant number, since it is smaller than the sum of its proper divisors (12972955341792).

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

6961097986656 is a wasteful number, since it uses less digits than its factorization.

6961097986656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591948875 (or 6591948867 counting only the distinct ones).

The product of its (nonzero) digits is 1587237120, while the sum is 78.

The spelling of 6961097986656 in words is "six trillion, nine hundred sixty-one billion, ninety-seven million, nine hundred eighty-six thousand, six hundred fifty-six".