140160897891840 has 640 divisors, whose sum is σ = 543689381081088. Its totient is φ = 30070029680640.

The previous prime is 140160897891821. The next prime is 140160897891841. The reversal of 140160897891840 is 48198798061041.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140160897891841) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 335199700 + ... + 335617580.

Almost surely, 2^{140160897891840} is an apocalyptic number.

140160897891840 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 140160897891840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271844690540544).

140160897891840 is an abundant number, since it is smaller than the sum of its proper divisors (403528483189248).

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

140160897891840 is a wasteful number, since it uses less digits than its factorization.

140160897891840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418298 (or 418282 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 66.

The spelling of 140160897891840 in words is "one hundred forty trillion, one hundred sixty billion, eight hundred ninety-seven million, eight hundred ninety-one thousand, eight hundred forty".