461665149 has 8 divisors (see below), whose sum is σ = 671512992. Its totient is φ = 279797040.

The previous prime is 461665133. The next prime is 461665151. The reversal of 461665149 is 941566164.

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

It is not a de Polignac number, because 461665149 - 2⁴ = 461665133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 461665149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461665189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6994894 + ... + 6994959.

It is an arithmetic number, because the mean of its divisors is an integer number (83939124).

Almost surely, 2^461665149 is an apocalyptic number.

It is an amenable number.

461665149 is a deficient number, since it is larger than the sum of its proper divisors (209847843).

461665149 is a wasteful number, since it uses less digits than its factorization.

461665149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13989867.

The product of its digits is 155520, while the sum is 42.

The square root of 461665149 is about 21486.3945090841. The cubic root of 461665149 is about 772.8745921569.

It can be divided in two parts, 46166 and 5149, that added together give a palindrome (51315).

The spelling of 461665149 in words is "four hundred sixty-one million, six hundred sixty-five thousand, one hundred forty-nine".