6739666092432 has 180 divisors, whose sum is σ = 23628948705180. Its totient is φ = 1777494329856.

The previous prime is 6739666092413. The next prime is 6739666092433. The reversal of 6739666092432 is 2342906669376.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3164072518656 + 3575593573776 = 1778784^2 + 1890924^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 6739666092432.

It is not an unprimeable number, because it can be changed into a prime (6739666092433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36645507 + ... + 36828962.

It is an arithmetic number, because the mean of its divisors is an integer number (131271937251).

Almost surely, 2^{6739666092432} is an apocalyptic number.

It is an amenable number.

6739666092432 is an abundant number, since it is smaller than the sum of its proper divisors (16889282612748).

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

6739666092432 is a wasteful number, since it uses less digits than its factorization.

6739666092432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73474510 (or 73474494 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 63.

The spelling of 6739666092432 in words is "six trillion, seven hundred thirty-nine billion, six hundred sixty-six million, ninety-two thousand, four hundred thirty-two".