673566962256 has 40 divisors (see below), whose sum is σ = 1933386652160. Its totient is φ = 224522320608.

The previous prime is 673566962249. The next prime is 673566962279. The reversal of 673566962256 is 652269665376.

673566962256 is a `hidden beast` number, since 6 + 7 + 3 + 566 + 9 + 62 + 2 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 673566962193 and 673566962202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779590960 + ... + 779591823.

It is an arithmetic number, because the mean of its divisors is an integer number (48334666304).

Almost surely, 2^673566962256 is an apocalyptic number.

It is an amenable number.

673566962256 is an abundant number, since it is smaller than the sum of its proper divisors (1259819689904).

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

673566962256 is a wasteful number, since it uses less digits than its factorization.

673566962256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559182800 (or 1559182788 counting only the distinct ones).

The product of its digits is 146966400, while the sum is 63.

The spelling of 673566962256 in words is "six hundred seventy-three billion, five hundred sixty-six million, nine hundred sixty-two thousand, two hundred fifty-six".