165670078080 has 384 divisors, whose sum is σ = 577487214720. Its totient is φ = 40376254464.

The previous prime is 165670078073. The next prime is 165670078127. The reversal of 165670078080 is 80870076561.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 33418962 + ... + 33423918.

It is an arithmetic number, because the mean of its divisors is an integer number (1503872955).

Almost surely, 2^165670078080 is an apocalyptic number.

165670078080 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 165670078080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288743607360).

165670078080 is an abundant number, since it is smaller than the sum of its proper divisors (411817136640).

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

165670078080 is a wasteful number, since it uses less digits than its factorization.

165670078080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108 (or 5083 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 165670078080 in words is "one hundred sixty-five billion, six hundred seventy million, seventy-eight thousand, eighty".