461611201641647 has 16 divisors (see below), whose sum is σ = 484811520073920. Its totient is φ = 438672460841472.

The previous prime is 461611201641587. The next prime is 461611201641671. The reversal of 461611201641647 is 746146102116164.

It is a cyclic number.

It is not a de Polignac number, because 461611201641647 - 2⁸ = 461611201641391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461611201641595 and 461611201641604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461611201661647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19938629 + ... + 36342417.

It is an arithmetic number, because the mean of its divisors is an integer number (30300720004620).

Almost surely, 2^{461611201641647} is an apocalyptic number.

461611201641647 is a deficient number, since it is larger than the sum of its proper divisors (23200318432273).

461611201641647 is a wasteful number, since it uses less digits than its factorization.

461611201641647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16411762.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 461611201641647 in words is "four hundred sixty-one trillion, six hundred eleven billion, two hundred one million, six hundred forty-one thousand, six hundred forty-seven".