165150434 has 16 divisors (see below), whose sum is σ = 251164800. Its totient is φ = 81435984.

The previous prime is 165150421. The next prime is 165150439. The reversal of 165150434 is 434051561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 165150397 and 165150406.

It is not an unprimeable number, because it can be changed into a prime (165150439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49532 + ... + 52760.

It is an arithmetic number, because the mean of its divisors is an integer number (15697800).

Almost surely, 2^165150434 is an apocalyptic number.

165150434 is a deficient number, since it is larger than the sum of its proper divisors (86014366).

165150434 is a wasteful number, since it uses less digits than its factorization.

165150434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 165150434 is about 12851.0868801047. The cubic root of 165150434 is about 548.6472917608.

The spelling of 165150434 in words is "one hundred sixty-five million, one hundred fifty thousand, four hundred thirty-four".