165372427 has 8 divisors (see below), whose sum is σ = 180501552. Its totient is φ = 150259200.

The previous prime is 165372421. The next prime is 165372443. The reversal of 165372427 is 724273561.

It is a happy number.

165372427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165372427 - 2¹¹ = 165370379 is a prime.

It is a super-2 number, since 2×165372427² = 54696079223740658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165372421) 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, 31923 + ... + 36739.

It is an arithmetic number, because the mean of its divisors is an integer number (22562694).

Almost surely, 2^165372427 is an apocalyptic number.

165372427 is a deficient number, since it is larger than the sum of its proper divisors (15129125).

165372427 is a wasteful number, since it uses less digits than its factorization.

165372427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949.

The product of its digits is 70560, while the sum is 37.

The square root of 165372427 is about 12859.7211089510. The cubic root of 165372427 is about 548.8930098088.

The spelling of 165372427 in words is "one hundred sixty-five million, three hundred seventy-two thousand, four hundred twenty-seven".