6696165954240 has 168 divisors, whose sum is σ = 26322309580320. Its totient is φ = 1530552213504.

The previous prime is 6696165954221. The next prime is 6696165954277. The reversal of 6696165954240 is 424595616966.

6696165954240 is a `hidden beast` number, since 6 + 6 + 9 + 6 + 16 + 595 + 4 + 24 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166055385 + ... + 166095704.

Almost surely, 2^{6696165954240} is an apocalyptic number.

6696165954240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6696165954240 is an abundant number, since it is smaller than the sum of its proper divisors (19626143626080).

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

6696165954240 is a wasteful number, since it uses less digits than its factorization.

6696165954240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332151119 (or 332151106 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 6696165954240 in words is "six trillion, six hundred ninety-six billion, one hundred sixty-five million, nine hundred fifty-four thousand, two hundred forty".