173645011340 has 24 divisors (see below), whose sum is σ = 364741132560. Its totient is φ = 69441507648.

The previous prime is 173645011321. The next prime is 173645011367. The reversal of 173645011340 is 43110546371.

It is a self number, because there is not a number n which added to its sum of digits gives 173645011340.

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, 944567 + ... + 1113326.

It is an arithmetic number, because the mean of its divisors is an integer number (15197547190).

Almost surely, 2^173645011340 is an apocalyptic number.

173645011340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173645011340 is an abundant number, since it is smaller than the sum of its proper divisors (191096121220).

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

173645011340 is a wasteful number, since it uses less digits than its factorization.

173645011340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062121 (or 2062119 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 173645011340 in words is "one hundred seventy-three billion, six hundred forty-five million, eleven thousand, three hundred forty".