3198146077680 has 40 divisors (see below), whose sum is σ = 9914252841552. Its totient is φ = 852838953984.

The previous prime is 3198146077661. The next prime is 3198146077729. The reversal of 3198146077680 is 867706418913.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6662804089 + ... + 6662804568.

Almost surely, 2^{3198146077680} is an apocalyptic number.

3198146077680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3198146077680 is an abundant number, since it is smaller than the sum of its proper divisors (6716106763872).

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

3198146077680 is a wasteful number, since it uses less digits than its factorization.

3198146077680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13325608673 (or 13325608667 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 3198146077680 in words is "three trillion, one hundred ninety-eight billion, one hundred forty-six million, seventy-seven thousand, six hundred eighty".