165335472270 has 128 divisors (see below), whose sum is σ = 447682135680. Its totient is φ = 43956670464.

The previous prime is 165335472229. The next prime is 165335472287. The reversal of 165335472270 is 72274533561.

165335472270 is a `hidden beast` number, since 1 + 6 + 5 + 33 + 547 + 2 + 2 + 70 = 666.

165335472270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7358974 + ... + 7381406.

It is an arithmetic number, because the mean of its divisors is an integer number (3497516685).

Almost surely, 2^165335472270 is an apocalyptic number.

165335472270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 165335472270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223841067840).

165335472270 is an abundant number, since it is smaller than the sum of its proper divisors (282346663410).

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

165335472270 is an equidigital number, since it uses as much as digits as its factorization.

165335472270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22798 (or 22780 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 165335472270 in words is "one hundred sixty-five billion, three hundred thirty-five million, four hundred seventy-two thousand, two hundred seventy".