162180849015691 has 48 divisors (see below), whose sum is σ = 179628456700000. Its totient is φ = 146314232064000.

The previous prime is 162180849015629. The next prime is 162180849015697. The reversal of 162180849015691 is 196510948081261.

It is not a de Polignac number, because 162180849015691 - 2⁴⁵ = 126996476926859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162180849015697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14570190196 + ... + 14570201326.

Almost surely, 2^{162180849015691} is an apocalyptic number.

162180849015691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

162180849015691 is a deficient number, since it is larger than the sum of its proper divisors (17447607684309).

162180849015691 is a wasteful number, since it uses less digits than its factorization.

162180849015691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13052 (or 13041 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 61.

The spelling of 162180849015691 in words is "one hundred sixty-two trillion, one hundred eighty billion, eight hundred forty-nine million, fifteen thousand, six hundred ninety-one".