65066656026 has 32 divisors (see below), whose sum is σ = 134711735040. Its totient is φ = 20926826816.

The previous prime is 65066655923. The next prime is 65066656033. The reversal of 65066656026 is 62065666056.

It is a super-2 number, since 2×65066656026² (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 15 ways as a sum of consecutive naturals, for example, 133000 + ... + 384476.

It is an arithmetic number, because the mean of its divisors is an integer number (4209741720).

Almost surely, 2^65066656026 is an apocalyptic number.

65066656026 is an abundant number, since it is smaller than the sum of its proper divisors (69645079014).

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

65066656026 is a wasteful number, since it uses less digits than its factorization.

65066656026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252998.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 65066656026 in words is "sixty-five billion, sixty-six million, six hundred fifty-six thousand, twenty-six".