461165611556 has 24 divisors (see below), whose sum is σ = 869262119544. Its totient is φ = 212810814720.

The previous prime is 461165611541. The next prime is 461165611561. The reversal of 461165611556 is 655116561164.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 232314360100 + 228851251456 = 481990^2 + 478384^2 .

It is a super-2 number, since 2×461165611556² (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 461165611556.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404105 + ... + 1041936.

It is an arithmetic number, because the mean of its divisors is an integer number (36219254981).

Almost surely, 2^461165611556 is an apocalyptic number.

It is an amenable number.

461165611556 is a deficient number, since it is larger than the sum of its proper divisors (408096507988).

461165611556 is a wasteful number, since it uses less digits than its factorization.

461165611556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452191 (or 1452189 counting only the distinct ones).

The product of its digits is 648000, while the sum is 47.

The spelling of 461165611556 in words is "four hundred sixty-one billion, one hundred sixty-five million, six hundred eleven thousand, five hundred fifty-six".