165216115216150 has 24 divisors (see below), whose sum is σ = 307597741457760. Its totient is φ = 66022840246560.

The previous prime is 165216115216081. The next prime is 165216115216169. The reversal of 165216115216150 is 51612511612561.

It is a super-2 number, since 2×165216115216150² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165216115216097 and 165216115216106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1590093529 + ... + 1590197428.

It is an arithmetic number, because the mean of its divisors is an integer number (12816572560740).

Almost surely, 2^{165216115216150} is an apocalyptic number.

165216115216150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165216115216150 is a deficient number, since it is larger than the sum of its proper divisors (142381626241610).

165216115216150 is a wasteful number, since it uses less digits than its factorization.

165216115216150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180292008 (or 3180292003 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 43.

The spelling of 165216115216150 in words is "one hundred sixty-five trillion, two hundred sixteen billion, one hundred fifteen million, two hundred sixteen thousand, one hundred fifty".