461109892666 has 8 divisors (see below), whose sum is σ = 691686375444. Its totient is φ = 230547767520.

The previous prime is 461109892657. The next prime is 461109892673. The reversal of 461109892666 is 666298901164.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 450194031225 + 10915861441 = 670965^2 + 104479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×461109892666² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 461109892666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3508755 + ... + 3637798.

Almost surely, 2^461109892666 is an apocalyptic number.

461109892666 is a deficient number, since it is larger than the sum of its proper divisors (230576482778).

461109892666 is a wasteful number, since it uses less digits than its factorization.

461109892666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7178816.

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 461109892666 in words is "four hundred sixty-one billion, one hundred nine million, eight hundred ninety-two thousand, six hundred sixty-six".