160666615120 has 80 divisors (see below), whose sum is σ = 431480115648. Its totient is φ = 54987499520.

The previous prime is 160666615091. The next prime is 160666615121. The reversal of 160666615120 is 21516666061.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×160666615120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160666615121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5354914 + ... + 5384833.

Almost surely, 2^160666615120 is an apocalyptic number.

160666615120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160666615120 is an abundant number, since it is smaller than the sum of its proper divisors (270813500528).

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

160666615120 is a wasteful number, since it uses less digits than its factorization.

160666615120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10739788 (or 10739782 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 160666615120 in words is "one hundred sixty billion, six hundred sixty-six million, six hundred fifteen thousand, one hundred twenty".