160661734460 has 24 divisors (see below), whose sum is σ = 339137783376. Its totient is φ = 63931714560.

The previous prime is 160661734399. The next prime is 160661734463. The reversal of 160661734460 is 64437166061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160661734463) by changing a digit.

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, 20807246 + ... + 20814965.

It is an arithmetic number, because the mean of its divisors is an integer number (14130740974).

Almost surely, 2^160661734460 is an apocalyptic number.

160661734460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160661734460 is an abundant number, since it is smaller than the sum of its proper divisors (178476048916).

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

160661734460 is a wasteful number, since it uses less digits than its factorization.

160661734460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41622413 (or 41622411 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 160661734460 in words is "one hundred sixty billion, six hundred sixty-one million, seven hundred thirty-four thousand, four hundred sixty".