165151505560001 has 32 divisors (see below), whose sum is σ = 175029340147200. Its totient is φ = 155596276944640.

The previous prime is 165151505559979. The next prime is 165151505560031. The reversal of 165151505560001 is 100065505151561.

It is not a de Polignac number, because 165151505560001 - 2²⁶ = 165151438451137 is a prime.

It is a super-2 number, since 2×165151505560001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (165151505560031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144707471 + ... + 145844283.

It is an arithmetic number, because the mean of its divisors is an integer number (5469666879600).

Almost surely, 2^{165151505560001} is an apocalyptic number.

It is an amenable number.

165151505560001 is a deficient number, since it is larger than the sum of its proper divisors (9877834587199).

165151505560001 is a wasteful number, since it uses less digits than its factorization.

165151505560001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137529.

The product of its (nonzero) digits is 112500, while the sum is 41.

The spelling of 165151505560001 in words is "one hundred sixty-five trillion, one hundred fifty-one billion, five hundred five million, five hundred sixty thousand, one".