673773021516 has 48 divisors (see below), whose sum is σ = 1902417947136. Its totient is φ = 181182660864.

The previous prime is 673773021511. The next prime is 673773021517. The reversal of 673773021516 is 615120377376.

It is not an unprimeable number, because it can be changed into a prime (673773021511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235913496 + ... + 235916351.

It is an arithmetic number, because the mean of its divisors is an integer number (39633707232).

Almost surely, 2^673773021516 is an apocalyptic number.

It is an amenable number.

673773021516 is an abundant number, since it is smaller than the sum of its proper divisors (1228644925620).

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

673773021516 is a wasteful number, since it uses less digits than its factorization.

673773021516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471829878 (or 471829876 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 48.

The spelling of 673773021516 in words is "six hundred seventy-three billion, seven hundred seventy-three million, twenty-one thousand, five hundred sixteen".