162245661160440 has 128 divisors (see below), whose sum is σ = 571830861772800. Its totient is φ = 36306721374720.

The previous prime is 162245661160411. The next prime is 162245661160523. The reversal of 162245661160440 is 44061166542261.

It is a self number, because there is not a number n which added to its sum of digits gives 162245661160440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4727420520 + ... + 4727454839.

It is an arithmetic number, because the mean of its divisors is an integer number (4467428607600).

Almost surely, 2^{162245661160440} is an apocalyptic number.

162245661160440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162245661160440 is an abundant number, since it is smaller than the sum of its proper divisors (409585200612360).

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

162245661160440 is a wasteful number, since it uses less digits than its factorization.

162245661160440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9454875397 (or 9454875393 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 162245661160440 in words is "one hundred sixty-two trillion, two hundred forty-five billion, six hundred sixty-one million, one hundred sixty thousand, four hundred forty".