461066464256566 has 64 divisors (see below), whose sum is σ = 839952748569600. Its totient is φ = 185585717407104.

The previous prime is 461066464256543. The next prime is 461066464256579. The reversal of 461066464256566 is 665652464660164.

It is a super-2 number, since 2×461066464256566² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59740375 + ... + 67015261.

It is an arithmetic number, because the mean of its divisors is an integer number (13124261696400).

Almost surely, 2^{461066464256566} is an apocalyptic number.

461066464256566 is a deficient number, since it is larger than the sum of its proper divisors (378886284313034).

461066464256566 is a wasteful number, since it uses less digits than its factorization.

461066464256566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279181.

The product of its (nonzero) digits is 895795200, while the sum is 67.

The spelling of 461066464256566 in words is "four hundred sixty-one trillion, sixty-six billion, four hundred sixty-four million, two hundred fifty-six thousand, five hundred sixty-six".