65416366 has 4 divisors (see below), whose sum is σ = 98124552. Its totient is φ = 32708182.

The previous prime is 65416349. The next prime is 65416397. The reversal of 65416366 is 66361456.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16354090 + ... + 16354093.

It is an arithmetic number, because the mean of its divisors is an integer number (24531138).

Almost surely, 2^65416366 is an apocalyptic number.

65416366 is a deficient number, since it is larger than the sum of its proper divisors (32708186).

65416366 is a wasteful number, since it uses less digits than its factorization.

65416366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32708185.

The product of its digits is 77760, while the sum is 37.

The square root of 65416366 is about 8088.0384519363. The cubic root of 65416366 is about 402.9292587441.

It can be divided in two parts, 654 and 16366, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 65416366 in words is "sixty-five million, four hundred sixteen thousand, three hundred sixty-six".