64611655026601 has 8 divisors (see below), whose sum is σ = 64656873114624. Its totient is φ = 64566449114160.

The previous prime is 64611655026553. The next prime is 64611655026671. The reversal of 64611655026601 is 10662055611646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64611655026601 - 2¹⁵ = 64611654993833 is a prime.

It is a super-2 number, since 2×64611655026601² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64611655026671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7586115 + ... + 13666471.

It is an arithmetic number, because the mean of its divisors is an integer number (8082109139328).

Almost surely, 2^{64611655026601} is an apocalyptic number.

It is an amenable number.

64611655026601 is a deficient number, since it is larger than the sum of its proper divisors (45218088023).

64611655026601 is a wasteful number, since it uses less digits than its factorization.

64611655026601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6087791.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 64611655026601 in words is "sixty-four trillion, six hundred eleven billion, six hundred fifty-five million, twenty-six thousand, six hundred one".