66060622454 has 24 divisors (see below), whose sum is σ = 107131533768. Its totient is φ = 30528643680.

The previous prime is 66060622429. The next prime is 66060622499. The reversal of 66060622454 is 45422606066.

66060622454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1086212 + ... + 1145415.

It is an arithmetic number, because the mean of its divisors is an integer number (4463813907).

Almost surely, 2^66060622454 is an apocalyptic number.

66060622454 is a deficient number, since it is larger than the sum of its proper divisors (41070911314).

66060622454 is a wasteful number, since it uses less digits than its factorization.

66060622454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231708 (or 2231689 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 66060622454 in words is "sixty-six billion, sixty million, six hundred twenty-two thousand, four hundred fifty-four".