1766330472672 has 96 divisors (see below), whose sum is σ = 5152918498560. Its totient is φ = 588648677760.

The previous prime is 1766330472671. The next prime is 1766330472727. The reversal of 1766330472672 is 2762740336671.

1766330472672 is a `hidden beast` number, since 1 + 7 + 6 + 6 + 330 + 47 + 267 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1766330472671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3791397 + ... + 4231707.

It is an arithmetic number, because the mean of its divisors is an integer number (53676234360).

Almost surely, 2^{1766330472672} is an apocalyptic number.

1766330472672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1766330472672 is an abundant number, since it is smaller than the sum of its proper divisors (3386588025888).

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

1766330472672 is a wasteful number, since it uses less digits than its factorization.

1766330472672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444973 (or 444959 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 54.

The spelling of 1766330472672 in words is "one trillion, seven hundred sixty-six billion, three hundred thirty million, four hundred seventy-two thousand, six hundred seventy-two".