65221411734 has 40 divisors (see below), whose sum is σ = 146210359680. Its totient is φ = 21730639824.

The previous prime is 65221411711. The next prime is 65221411741. The reversal of 65221411734 is 43711412256.

65221411734 is a `hidden beast` number, since 6 + 522 + 14 + 117 + 3 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 272812 + ... + 452624.

It is an arithmetic number, because the mean of its divisors is an integer number (3655258992).

Almost surely, 2^65221411734 is an apocalyptic number.

65221411734 is an abundant number, since it is smaller than the sum of its proper divisors (80988947946).

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

65221411734 is a wasteful number, since it uses less digits than its factorization.

65221411734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182066 (or 182057 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The spelling of 65221411734 in words is "sixty-five billion, two hundred twenty-one million, four hundred eleven thousand, seven hundred thirty-four".