126610165 has 24 divisors (see below), whose sum is σ = 169878240. Its totient is φ = 90493920.

The previous prime is 126610153. The next prime is 126610213. The reversal of 126610165 is 561016621.

It is not a de Polignac number, because 126610165 - 2²¹ = 124513013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33922 + ... + 37468.

It is an arithmetic number, because the mean of its divisors is an integer number (7078260).

Almost surely, 2^126610165 is an apocalyptic number.

It is an amenable number.

126610165 is a deficient number, since it is larger than the sum of its proper divisors (43268075).

126610165 is a wasteful number, since it uses less digits than its factorization.

126610165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633 (or 3622 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 126610165 is about 11252.1182450239. The cubic root of 126610165 is about 502.1377338292.

Adding to 126610165 its reverse (561016621), we get a palindrome (687626786).

The spelling of 126610165 in words is "one hundred twenty-six million, six hundred ten thousand, one hundred sixty-five".