672353656716 has 192 divisors, whose sum is σ = 1995712266240. Its totient is φ = 171823680000.

The previous prime is 672353656691. The next prime is 672353656721. The reversal of 672353656716 is 617656353276.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1862791 + ... + 2194241.

It is an arithmetic number, because the mean of its divisors is an integer number (10394334720).

Almost surely, 2^672353656716 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 672353656716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (997856133120).

672353656716 is an abundant number, since it is smaller than the sum of its proper divisors (1323358609524).

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

672353656716 is a wasteful number, since it uses less digits than its factorization.

672353656716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331556 (or 331554 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 57.

The spelling of 672353656716 in words is "six hundred seventy-two billion, three hundred fifty-three million, six hundred fifty-six thousand, seven hundred sixteen".