165101651151 has 4 divisors (see below), whose sum is σ = 220135534872. Its totient is φ = 110067767432.

The previous prime is 165101651137. The next prime is 165101651171. The reversal of 165101651151 is 151156101561.

165101651151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165101651151 - 2⁶ = 165101651087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165101651101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27516941856 + ... + 27516941861.

It is an arithmetic number, because the mean of its divisors is an integer number (55033883718).

Almost surely, 2^165101651151 is an apocalyptic number.

165101651151 is a deficient number, since it is larger than the sum of its proper divisors (55033883721).

165101651151 is an equidigital number, since it uses as much as digits as its factorization.

165101651151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55033883720.

The product of its (nonzero) digits is 4500, while the sum is 33.

It can be divided in two parts, 16510 and 1651151, that added together give a palindrome (1667661).

The spelling of 165101651151 in words is "one hundred sixty-five billion, one hundred one million, six hundred fifty-one thousand, one hundred fifty-one".