461676681 has 24 divisors (see below), whose sum is σ = 683979296. Its totient is φ = 299920320.

The previous prime is 461676679. The next prime is 461676689. The reversal of 461676681 is 186676164.

It is not a de Polignac number, because 461676681 - 2¹ = 461676679 is a prime.

It is a super-2 number, since 2×461676681² = 426290715558351522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461676689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201261 + ... + 203541.

Almost surely, 2^461676681 is an apocalyptic number.

It is an amenable number.

461676681 is a deficient number, since it is larger than the sum of its proper divisors (222302615).

461676681 is a wasteful number, since it uses less digits than its factorization.

461676681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853 (or 2850 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 461676681 is about 21486.6628632740. The cubic root of 461676681 is about 772.8810273518.

The spelling of 461676681 in words is "four hundred sixty-one million, six hundred seventy-six thousand, six hundred eighty-one".