65220737466 has 16 divisors (see below), whose sum is σ = 130445725824. Its totient is φ = 21739537344.

The previous prime is 65220737459. The next prime is 65220737551. The reversal of 65220737466 is 66473702256.

It is a super-2 number, since 2×65220737466² (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, 43471 + ... + 363773.

It is an arithmetic number, because the mean of its divisors is an integer number (8152857864).

Almost surely, 2^65220737466 is an apocalyptic number.

65220737466 is an abundant number, since it is smaller than the sum of its proper divisors (65224988358).

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

65220737466 is a wasteful number, since it uses less digits than its factorization.

65220737466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354245.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 65220737466 in words is "sixty-five billion, two hundred twenty million, seven hundred thirty-seven thousand, four hundred sixty-six".