165156628355140 has 48 divisors (see below), whose sum is σ = 352570407174720. Its totient is φ = 64969377310080.

The previous prime is 165156628355101. The next prime is 165156628355207. The reversal of 165156628355140 is 41553826651561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2990850 + ... + 18418969.

It is an arithmetic number, because the mean of its divisors is an integer number (7345216816140).

Almost surely, 2^{165156628355140} is an apocalyptic number.

165156628355140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165156628355140 is an abundant number, since it is smaller than the sum of its proper divisors (187413778819580).

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

165156628355140 is a wasteful number, since it uses less digits than its factorization.

165156628355140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21416212 (or 21416210 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 58.

The spelling of 165156628355140 in words is "one hundred sixty-five trillion, one hundred fifty-six billion, six hundred twenty-eight million, three hundred fifty-five thousand, one hundred forty".