162542144899097 has 4 divisors (see below), whose sum is σ = 162653551442640. Its totient is φ = 162430738355556.

The previous prime is 162542144898979. The next prime is 162542144899181. The reversal of 162542144899097 is 790998441245261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162542144899097 - 2³² = 162537849931801 is a prime.

It is a super-2 number, since 2×162542144899097² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162542144899097.

It is not an unprimeable number, because it can be changed into a prime (162542144899597) 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 3 ways as a sum of consecutive naturals, for example, 55703269583 + ... + 55703272500.

It is an arithmetic number, because the mean of its divisors is an integer number (40663387860660).

Almost surely, 2^{162542144899097} is an apocalyptic number.

It is an amenable number.

162542144899097 is a deficient number, since it is larger than the sum of its proper divisors (111406543543).

162542144899097 is a wasteful number, since it uses less digits than its factorization.

162542144899097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111406543542.

The product of its (nonzero) digits is 313528320, while the sum is 71.

The spelling of 162542144899097 in words is "one hundred sixty-two trillion, five hundred forty-two billion, one hundred forty-four million, eight hundred ninety-nine thousand, ninety-seven".