160311421440 has 480 divisors, whose sum is σ = 572862191616. Its totient is φ = 41401221120.

The previous prime is 160311421409. The next prime is 160311421463. The reversal of 160311421440 is 44124113061.

160311421440 is a `hidden beast` number, since 1 + 603 + 1 + 1 + 4 + 2 + 14 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×160311421440² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 326499595 + ... + 326500085.

Almost surely, 2^160311421440 is an apocalyptic number.

160311421440 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 160311421440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286431095808).

160311421440 is an abundant number, since it is smaller than the sum of its proper divisors (412550770176).

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

160311421440 is a wasteful number, since it uses less digits than its factorization.

160311421440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 160311421440 in words is "one hundred sixty billion, three hundred eleven million, four hundred twenty-one thousand, four hundred forty".