673151856 has 320 divisors, whose sum is σ = 2159861760. Its totient is φ = 178421760.

The previous prime is 673151807. The next prime is 673151861. The reversal of 673151856 is 658151376.

It is a congruent number.

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, 7563460 + ... + 7563548.

It is an arithmetic number, because the mean of its divisors is an integer number (6749568).

Almost surely, 2^673151856 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 673151856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079930880).

673151856 is an abundant number, since it is smaller than the sum of its proper divisors (1486709904).

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

673151856 is a wasteful number, since it uses less digits than its factorization.

673151856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 178 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 673151856 is about 25945.1701863757. The cubic root of 673151856 is about 876.4039962202.

The spelling of 673151856 in words is "six hundred seventy-three million, one hundred fifty-one thousand, eight hundred fifty-six".