461656144 has 10 divisors (see below), whose sum is σ = 894458810. Its totient is φ = 230828064.

The previous prime is 461656109. The next prime is 461656163. The reversal of 461656144 is 441656164.

It can be written as a sum of positive squares in only one way, i.e., 440496144 + 21160000 = 20988^2 + 4600^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14426739 + ... + 14426770.

It is an arithmetic number, because the mean of its divisors is an integer number (89445881).

Almost surely, 2^461656144 is an apocalyptic number.

It is an amenable number.

461656144 is a deficient number, since it is larger than the sum of its proper divisors (432802666).

461656144 is a wasteful number, since it uses less digits than its factorization.

461656144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28853517 (or 28853511 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 461656144 is about 21486.1849568508. The cubic root of 461656144 is about 772.8695670278.

The spelling of 461656144 in words is "four hundred sixty-one million, six hundred fifty-six thousand, one hundred forty-four".