165353251256030 has 16 divisors (see below), whose sum is σ = 315143843570640. Its totient is φ = 62250635766912.

The previous prime is 165353251255981. The next prime is 165353251256033. The reversal of 165353251256030 is 30652152353561.

It is a super-2 number, since 2×165353251256030² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165353251256033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486333091760 + ... + 486333092099.

It is an arithmetic number, because the mean of its divisors is an integer number (19696490223165).

Almost surely, 2^{165353251256030} is an apocalyptic number.

165353251256030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165353251256030 is a deficient number, since it is larger than the sum of its proper divisors (149790592314610).

165353251256030 is a wasteful number, since it uses less digits than its factorization.

165353251256030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972666183883.

The product of its (nonzero) digits is 2430000, while the sum is 47.

The spelling of 165353251256030 in words is "one hundred sixty-five trillion, three hundred fifty-three billion, two hundred fifty-one million, two hundred fifty-six thousand, thirty".