165156515051016 has 64 divisors (see below), whose sum is σ = 437691530707200. Its totient is φ = 51753065499648.

The previous prime is 165156515050979. The next prime is 165156515051023. The reversal of 165156515051016 is 610150515651561.

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, 236929456 + ... + 237625503.

It is an arithmetic number, because the mean of its divisors is an integer number (6838930167300).

Almost surely, 2^{165156515051016} is an apocalyptic number.

It is an amenable number.

165156515051016 is an abundant number, since it is smaller than the sum of its proper divisors (272535015656184).

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

165156515051016 is a wasteful number, since it uses less digits than its factorization.

165156515051016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474555838 (or 474555834 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 48.

The spelling of 165156515051016 in words is "one hundred sixty-five trillion, one hundred fifty-six billion, five hundred fifteen million, fifty-one thousand, sixteen".