165212389480 has 32 divisors (see below), whose sum is σ = 391292503200. Its totient is φ = 62606799936.

The previous prime is 165212389439. The next prime is 165212389519. The reversal of 165212389480 is 84983212561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108691602 + ... + 108693121.

It is an arithmetic number, because the mean of its divisors is an integer number (12227890725).

Almost surely, 2^165212389480 is an apocalyptic number.

165212389480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165212389480 is an abundant number, since it is smaller than the sum of its proper divisors (226080113720).

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

165212389480 is a wasteful number, since it uses less digits than its factorization.

165212389480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217384753 (or 217384749 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 165212389480 in words is "one hundred sixty-five billion, two hundred twelve million, three hundred eighty-nine thousand, four hundred eighty".