165111501050 has 48 divisors (see below), whose sum is σ = 314632799712. Its totient is φ = 64429982400.

The previous prime is 165111500989. The next prime is 165111501089. The reversal of 165111501050 is 50105111561.

165111501050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×165111501050² (a number of 23 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 1731620 + ... + 1824480.

It is an arithmetic number, because the mean of its divisors is an integer number (6554849994).

Almost surely, 2^165111501050 is an apocalyptic number.

165111501050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165111501050 is a deficient number, since it is larger than the sum of its proper divisors (149521298662).

165111501050 is a wasteful number, since it uses less digits than its factorization.

165111501050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93743 (or 93738 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 165111501050 in words is "one hundred sixty-five billion, one hundred eleven million, five hundred one thousand, fifty".