65240616274 has 16 divisors (see below), whose sum is σ = 103421918880. Its totient is φ = 30780324000.

The previous prime is 65240616269. The next prime is 65240616283. The reversal of 65240616274 is 47261604256.

It is a super-2 number, since 2×65240616274² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65240616274.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3410499 + ... + 3429574.

It is an arithmetic number, because the mean of its divisors is an integer number (6463869930).

Almost surely, 2^65240616274 is an apocalyptic number.

65240616274 is a deficient number, since it is larger than the sum of its proper divisors (38181302606).

65240616274 is a wasteful number, since it uses less digits than its factorization.

65240616274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6840345.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 65240616274 in words is "sixty-five billion, two hundred forty million, six hundred sixteen thousand, two hundred seventy-four".