65221711602 has 16 divisors (see below), whose sum is σ = 134941472640. Its totient is φ = 20990895632.

The previous prime is 65221711567. The next prime is 65221711619. The reversal of 65221711602 is 20611712256.

It is a super-2 number, since 2×65221711602² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187418538 + ... + 187418885.

It is an arithmetic number, because the mean of its divisors is an integer number (8433842040).

Almost surely, 2^65221711602 is an apocalyptic number.

65221711602 is an abundant number, since it is smaller than the sum of its proper divisors (69719761038).

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

65221711602 is a wasteful number, since it uses less digits than its factorization.

65221711602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374837457.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 65221711602 in words is "sixty-five billion, two hundred twenty-one million, seven hundred eleven thousand, six hundred two".