65166726 has 8 divisors (see below), whose sum is σ = 130333464. Its totient is φ = 21722240.

The previous prime is 65166721. The next prime is 65166749. The reversal of 65166726 is 62766156.

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

65166726 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65166721) 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, 5430555 + ... + 5430566.

It is an arithmetic number, because the mean of its divisors is an integer number (16291683).

Almost surely, 2^65166726 is an apocalyptic number.

65166726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65166726 is a wasteful number, since it uses less digits than its factorization.

65166726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10861126.

The product of its digits is 90720, while the sum is 39.

The square root of 65166726 is about 8072.5910338627. The cubic root of 65166726 is about 402.4160564627.

The spelling of 65166726 in words is "sixty-five million, one hundred sixty-six thousand, seven hundred twenty-six".