160340921980 has 24 divisors (see below), whose sum is σ = 356522756688. Its totient is φ = 60363641088.

The previous prime is 160340921969. The next prime is 160340922011. The reversal of 160340921980 is 89129043061.

It is a happy number.

It is a super-2 number, since 2×160340921980² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235795134 + ... + 235795813.

It is an arithmetic number, because the mean of its divisors is an integer number (14855114862).

Almost surely, 2^160340921980 is an apocalyptic number.

160340921980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160340921980 is an abundant number, since it is smaller than the sum of its proper divisors (196181834708).

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

160340921980 is a wasteful number, since it uses less digits than its factorization.

160340921980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471590973 (or 471590971 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 160340921980 in words is "one hundred sixty billion, three hundred forty million, nine hundred twenty-one thousand, nine hundred eighty".