165066156510 has 16 divisors (see below), whose sum is σ = 396158775696. Its totient is φ = 44017641728.

The previous prime is 165066156503. The next prime is 165066156517. The reversal of 165066156510 is 15651660561.

It is an interprime number because it is at equal distance from previous prime (165066156503) and next prime (165066156517).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165066156517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2751102579 + ... + 2751102638.

It is an arithmetic number, because the mean of its divisors is an integer number (24759923481).

Almost surely, 2^165066156510 is an apocalyptic number.

165066156510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165066156510 is an abundant number, since it is smaller than the sum of its proper divisors (231092619186).

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

165066156510 is a wasteful number, since it uses less digits than its factorization.

165066156510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502205227.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 165066156510 in words is "one hundred sixty-five billion, sixty-six million, one hundred fifty-six thousand, five hundred ten".