1964464466066 has 64 divisors (see below), whose sum is σ = 3324358195200. Its totient is φ = 866075950080.

The previous prime is 1964464466039. The next prime is 1964464466089. The reversal of 1964464466066 is 6606644644691.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7634036 + ... + 7887168.

It is an arithmetic number, because the mean of its divisors is an integer number (51943096800).

Almost surely, 2^{1964464466066} is an apocalyptic number.

1964464466066 is a deficient number, since it is larger than the sum of its proper divisors (1359893729134).

1964464466066 is a wasteful number, since it uses less digits than its factorization.

1964464466066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253419.

The product of its (nonzero) digits is 107495424, while the sum is 62.

The spelling of 1964464466066 in words is "one trillion, nine hundred sixty-four billion, four hundred sixty-four million, four hundred sixty-six thousand, sixty-six".