165152427 has 16 divisors (see below), whose sum is σ = 252865920. Its totient is φ = 94824000.

The previous prime is 165152371. The next prime is 165152447. The reversal of 165152427 is 724251561.

It is not a de Polignac number, because 165152427 - 2¹¹ = 165150379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (165152447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131074 + ... + 132327.

It is an arithmetic number, because the mean of its divisors is an integer number (15804120).

Almost surely, 2^165152427 is an apocalyptic number.

165152427 is a deficient number, since it is larger than the sum of its proper divisors (87713493).

165152427 is a wasteful number, since it uses less digits than its factorization.

165152427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263434.

The product of its digits is 16800, while the sum is 33.

The square root of 165152427 is about 12851.1644219503. The cubic root of 165152427 is about 548.6494987378.

The spelling of 165152427 in words is "one hundred sixty-five million, one hundred fifty-two thousand, four hundred twenty-seven".