165240263210 has 96 divisors (see below), whose sum is σ = 344527779456. Its totient is φ = 56904848000.

The previous prime is 165240263189. The next prime is 165240263213. The reversal of 165240263210 is 12362042561.

It is not an unprimeable number, because it can be changed into a prime (165240263213) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2781437 + ... + 2840223.

It is an arithmetic number, because the mean of its divisors is an integer number (3588831036).

Almost surely, 2^165240263210 is an apocalyptic number.

165240263210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165240263210 is an abundant number, since it is smaller than the sum of its proper divisors (179287516246).

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

165240263210 is a wasteful number, since it uses less digits than its factorization.

165240263210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58940 (or 58929 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 165240263210 in words is "one hundred sixty-five billion, two hundred forty million, two hundred sixty-three thousand, two hundred ten".