65616701 has 4 divisors (see below), whose sum is σ = 65651712. Its totient is φ = 65581692.

The previous prime is 65616697. The next prime is 65616731. The reversal of 65616701 is 10761656.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65616701 - 2² = 65616697 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65616731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14525 + ... + 18498.

It is an arithmetic number, because the mean of its divisors is an integer number (16412928).

Almost surely, 2^65616701 is an apocalyptic number.

It is an amenable number.

65616701 is a deficient number, since it is larger than the sum of its proper divisors (35011).

65616701 is a wasteful number, since it uses less digits than its factorization.

65616701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35010.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 65616701 is about 8100.4136314141. The cubic root of 65616701 is about 403.3401578124.

The spelling of 65616701 in words is "sixty-five million, six hundred sixteen thousand, seven hundred one".