161740362322000 has 640 divisors, whose sum is σ = 491458400649216. Its totient is φ = 50014022400000.

The previous prime is 161740362321977. The next prime is 161740362322039. The reversal of 161740362322000 is 223263047161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12013687269 + ... + 12013700731.

Almost surely, 2^{161740362322000} is an apocalyptic number.

161740362322000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161740362322000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245729200324608).

161740362322000 is an abundant number, since it is smaller than the sum of its proper divisors (329718038327216).

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

161740362322000 is a wasteful number, since it uses less digits than its factorization.

161740362322000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14116 (or 14100 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 161740362322000 in words is "one hundred sixty-one trillion, seven hundred forty billion, three hundred sixty-two million, three hundred twenty-two thousand".