162244145236512 has 48 divisors (see below), whose sum is σ = 425891961294912. Its totient is φ = 54081244596480.

The previous prime is 162244145236469. The next prime is 162244145236531. The reversal of 162244145236512 is 215632541442261.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×162244145236512² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40255962 + ... + 44102502.

It is an arithmetic number, because the mean of its divisors is an integer number (8872749193644).

Almost surely, 2^{162244145236512} is an apocalyptic number.

162244145236512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162244145236512 is an abundant number, since it is smaller than the sum of its proper divisors (263647816058400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162244145236512 is a wasteful number, since it uses less digits than its factorization.

162244145236512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285921 (or 4285913 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 48.

Adding to 162244145236512 its reverse (215632541442261), we get a palindrome (377876686678773).

The spelling of 162244145236512 in words is "one hundred sixty-two trillion, two hundred forty-four billion, one hundred forty-five million, two hundred thirty-six thousand, five hundred twelve".