673189710156 has 60 divisors (see below), whose sum is σ = 1760133014640. Its totient is φ = 224360595360.

The previous prime is 673189710139. The next prime is 673189710191. The reversal of 673189710156 is 651017981376.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1896946 + ... + 2223686.

It is an arithmetic number, because the mean of its divisors is an integer number (29335550244).

Almost surely, 2^673189710156 is an apocalyptic number.

It is an amenable number.

673189710156 is an abundant number, since it is smaller than the sum of its proper divisors (1086943304484).

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

673189710156 is a wasteful number, since it uses less digits than its factorization.

673189710156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333116 (or 333105 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 673189710156 in words is "six hundred seventy-three billion, one hundred eighty-nine million, seven hundred ten thousand, one hundred fifty-six".