66165034 has 8 divisors (see below), whose sum is σ = 106882020. Its totient is φ = 30537696.

The previous prime is 66165031. The next prime is 66165059. The reversal of 66165034 is 43056166.

It can be written as a sum of positive squares in 2 ways, for example, as 64048009 + 2117025 = 8003^2 + 1455^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 66164987 and 66165005.

It is not an unprimeable number, because it can be changed into a prime (66165031) 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, 1272379 + ... + 1272430.

Almost surely, 2^66165034 is an apocalyptic number.

66165034 is a deficient number, since it is larger than the sum of its proper divisors (40716986).

66165034 is a wasteful number, since it uses less digits than its factorization.

66165034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544824.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 66165034 is about 8134.1892036023. The cubic root of 66165034 is about 404.4605610910.

The spelling of 66165034 in words is "sixty-six million, one hundred sixty-five thousand, thirty-four".