66106677617224 has 64 divisors (see below), whose sum is σ = 127366162560000. Its totient is φ = 32147400122880.

The previous prime is 66106677617191. The next prime is 66106677617237. The reversal of 66106677617224 is 42271677660166.

It is a super-2 number, since 2×66106677617224² (a number of 28 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, 517693017 + ... + 517820695.

It is an arithmetic number, because the mean of its divisors is an integer number (1990096290000).

Almost surely, 2^{66106677617224} is an apocalyptic number.

It is an amenable number.

66106677617224 is a deficient number, since it is larger than the sum of its proper divisors (61259484942776).

66106677617224 is a wasteful number, since it uses less digits than its factorization.

66106677617224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132598 (or 132594 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 61.

The spelling of 66106677617224 in words is "sixty-six trillion, one hundred six billion, six hundred seventy-seven million, six hundred seventeen thousand, two hundred twenty-four".