672569184672 has 1152 divisors, whose sum is σ = 2690072985600. Its totient is φ = 157169295360.

The previous prime is 672569184571. The next prime is 672569184709. The reversal of 672569184672 is 276481965276.

672569184672 is a `hidden beast` number, since 6 + 7 + 2 + 569 + 1 + 8 + 4 + 67 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 424869193 + ... + 424870775.

It is an arithmetic number, because the mean of its divisors is an integer number (2335132800).

Almost surely, 2^672569184672 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 672569184672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345036492800).

672569184672 is an abundant number, since it is smaller than the sum of its proper divisors (2017503800928).

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

672569184672 is a wasteful number, since it uses less digits than its factorization.

672569184672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1646 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 672569184672 in words is "six hundred seventy-two billion, five hundred sixty-nine million, one hundred eighty-four thousand, six hundred seventy-two".