461543137464516 has 24 divisors (see below), whose sum is σ = 1076941577624640. Its totient is φ = 153846628172832.

The previous prime is 461543137464503. The next prime is 461543137464547. The reversal of 461543137464516 is 615464731345164.

It is a super-2 number, since 2×461543137464516² (a number of 30 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 461543137464516.

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, 133764931 + ... + 137171946.

It is an arithmetic number, because the mean of its divisors is an integer number (44872565734360).

Almost surely, 2^{461543137464516} is an apocalyptic number.

It is an amenable number.

461543137464516 is an abundant number, since it is smaller than the sum of its proper divisors (615398440160124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

461543137464516 is a wasteful number, since it uses less digits than its factorization.

461543137464516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271078843 (or 271078841 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 60.

The spelling of 461543137464516 in words is "four hundred sixty-one trillion, five hundred forty-three billion, one hundred thirty-seven million, four hundred sixty-four thousand, five hundred sixteen".