1673166219264 has 192 divisors, whose sum is σ = 4959684475200. Its totient is φ = 557343424512.

The previous prime is 1673166219233. The next prime is 1673166219293. The reversal of 1673166219264 is 4629126613761.

It is a happy number.

1673166219264 is a `hidden beast` number, since 1 + 6 + 7 + 3 + 1 + 6 + 621 + 9 + 2 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1673166219264.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88298239 + ... + 88317185.

It is an arithmetic number, because the mean of its divisors is an integer number (25831689975).

Almost surely, 2^{1673166219264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1673166219264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479842237600).

1673166219264 is an abundant number, since it is smaller than the sum of its proper divisors (3286518255936).

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

1673166219264 is a wasteful number, since it uses less digits than its factorization.

1673166219264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20575 (or 20549 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 1673166219264 in words is "one trillion, six hundred seventy-three billion, one hundred sixty-six million, two hundred nineteen thousand, two hundred sixty-four".