162056166551 has 8 divisors (see below), whose sum is σ = 164426493360. Its totient is φ = 159689904192.

The previous prime is 162056166529. The next prime is 162056166553. The reversal of 162056166551 is 155661650261.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162056166551 - 2¹⁸ = 162055904407 is a prime.

It is a super-2 number, since 2×162056166551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162056166553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935741 + ... + 1095318.

It is an arithmetic number, because the mean of its divisors is an integer number (20553311670).

Almost surely, 2^162056166551 is an apocalyptic number.

162056166551 is a deficient number, since it is larger than the sum of its proper divisors (2370326809).

162056166551 is a wasteful number, since it uses less digits than its factorization.

162056166551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032225.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 162056166551 in words is "one hundred sixty-two billion, fifty-six million, one hundred sixty-six thousand, five hundred fifty-one".