162660255646440 has 64 divisors (see below), whose sum is σ = 488569405075200. Its totient is φ = 43323744782592.

The previous prime is 162660255646391. The next prime is 162660255646477. The reversal of 162660255646440 is 44646552066261.

162660255646440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817453072 + ... + 817652031.

It is an arithmetic number, because the mean of its divisors is an integer number (7633896954300).

Almost surely, 2^{162660255646440} is an apocalyptic number.

162660255646440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162660255646440 is an abundant number, since it is smaller than the sum of its proper divisors (325909149428760).

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

162660255646440 is a wasteful number, since it uses less digits than its factorization.

162660255646440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635105946 (or 1635105942 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 57.

The spelling of 162660255646440 in words is "one hundred sixty-two trillion, six hundred sixty billion, two hundred fifty-five million, six hundred forty-six thousand, four hundred forty".