64065251016122 has 32 divisors (see below), whose sum is σ = 104043965678400. Its totient is φ = 29482643409408.

The previous prime is 64065251016113. The next prime is 64065251016149. The reversal of 64065251016122 is 22161015256046.

It is a self number, because there is not a number n which added to its sum of digits gives 64065251016122.

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, 32906372 + ... + 34798847.

It is an arithmetic number, because the mean of its divisors is an integer number (3251373927450).

Almost surely, 2^{64065251016122} is an apocalyptic number.

64065251016122 is a deficient number, since it is larger than the sum of its proper divisors (39978714662278).

64065251016122 is a wasteful number, since it uses less digits than its factorization.

64065251016122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67705950.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 64065251016122 in words is "sixty-four trillion, sixty-five billion, two hundred fifty-one million, sixteen thousand, one hundred twenty-two".