20165153167 has 16 divisors (see below), whose sum is σ = 20421191232. Its totient is φ = 19911270400.

The previous prime is 20165153153. The next prime is 20165153189. The reversal of 20165153167 is 76135156102.

It is a cyclic number.

It is not a de Polignac number, because 20165153167 - 2⁷ = 20165153039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20165183167) 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, 28765917 + ... + 28766617.

It is an arithmetic number, because the mean of its divisors is an integer number (1276324452).

Almost surely, 2^20165153167 is an apocalyptic number.

20165153167 is a deficient number, since it is larger than the sum of its proper divisors (256038065).

20165153167 is a wasteful number, since it uses less digits than its factorization.

20165153167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 20165153167 in words is "twenty billion, one hundred sixty-five million, one hundred fifty-three thousand, one hundred sixty-seven".