162527165521551 has 96 divisors (see below), whose sum is σ = 251006297997312. Its totient is φ = 101092715760960.

The previous prime is 162527165521529. The next prime is 162527165521619. The reversal of 162527165521551 is 155125561725261.

It is a happy number.

162527165521551 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 2 + 7 + 1 + 65 + 5 + 21 + 551 = 666.

It is not a de Polignac number, because 162527165521551 - 2²⁵ = 162527131967119 is a prime.

It is a super-2 number, since 2×162527165521551² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162527165521051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24764154196 + ... + 24764160758.

It is an arithmetic number, because the mean of its divisors is an integer number (2614648937472).

Almost surely, 2^{162527165521551} is an apocalyptic number.

162527165521551 is a deficient number, since it is larger than the sum of its proper divisors (88479132475761).

162527165521551 is a wasteful number, since it uses less digits than its factorization.

162527165521551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9993 (or 9990 counting only the distinct ones).

The product of its digits is 6300000, while the sum is 54.

The spelling of 162527165521551 in words is "one hundred sixty-two trillion, five hundred twenty-seven billion, one hundred sixty-five million, five hundred twenty-one thousand, five hundred fifty-one".