65161627 has 4 divisors (see below), whose sum is σ = 65659176. Its totient is φ = 64664080.

The previous prime is 65161619. The next prime is 65161633. The reversal of 65161627 is 72616156.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65161627 - 2³ = 65161619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65161592 and 65161601.

It is not an unprimeable number, because it can be changed into a prime (65161667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248578 + ... + 248839.

It is an arithmetic number, because the mean of its divisors is an integer number (16414794).

Almost surely, 2^65161627 is an apocalyptic number.

65161627 is a deficient number, since it is larger than the sum of its proper divisors (497549).

65161627 is a wasteful number, since it uses less digits than its factorization.

65161627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497548.

The product of its digits is 15120, while the sum is 34.

The square root of 65161627 is about 8072.2752059131. The cubic root of 65161627 is about 402.4055604467.

The spelling of 65161627 in words is "sixty-five million, one hundred sixty-one thousand, six hundred twenty-seven".