165153901654 has 16 divisors (see below), whose sum is σ = 292883767200. Its totient is φ = 68339545344.

The previous prime is 165153901573. The next prime is 165153901657. The reversal of 165153901654 is 456109351561.

165153901654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×165153901654³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165153901657) 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 7 ways as a sum of consecutive naturals, for example, 203391099 + ... + 203391910.

It is an arithmetic number, because the mean of its divisors is an integer number (18305235450).

Almost surely, 2^165153901654 is an apocalyptic number.

165153901654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

165153901654 is a deficient number, since it is larger than the sum of its proper divisors (127729865546).

165153901654 is a wasteful number, since it uses less digits than its factorization.

165153901654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406783047.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 165153901654 in words is "one hundred sixty-five billion, one hundred fifty-three million, nine hundred one thousand, six hundred fifty-four".