64866361242466 has 32 divisors (see below), whose sum is σ = 114789075333120. Its totient is φ = 26902508734800.

The previous prime is 64866361242439. The next prime is 64866361242493. The reversal of 64866361242466 is 66424216366846.

It is an interprime number because it is at equal distance from previous prime (64866361242439) and next prime (64866361242493).

It is a super-2 number, since 2×64866361242466² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64866361242398 and 64866361242407.

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, 18442161 + ... + 21675931.

It is an arithmetic number, because the mean of its divisors is an integer number (3587158604160).

Almost surely, 2^{64866361242466} is an apocalyptic number.

64866361242466 is a deficient number, since it is larger than the sum of its proper divisors (49922714090654).

64866361242466 is a wasteful number, since it uses less digits than its factorization.

64866361242466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280030.

The product of its digits is 286654464, while the sum is 64.

The spelling of 64866361242466 in words is "sixty-four trillion, eight hundred sixty-six billion, three hundred sixty-one million, two hundred forty-two thousand, four hundred sixty-six".