534540005341661 has 32 divisors (see below), whose sum is σ = 593848662330240. Its totient is φ = 477105904844800.

The previous prime is 534540005341619. The next prime is 534540005341681. The reversal of 534540005341661 is 166143500045435.

It is a de Polignac number, because none of the positive numbers 2^k-534540005341661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534540005341681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76407146 + ... + 83109156.

It is an arithmetic number, because the mean of its divisors is an integer number (18557770697820).

Almost surely, 2^{534540005341661} is an apocalyptic number.

It is an amenable number.

534540005341661 is a deficient number, since it is larger than the sum of its proper divisors (59308656988579).

534540005341661 is a wasteful number, since it uses less digits than its factorization.

534540005341661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6702685.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 534540005341661 in words is "five hundred thirty-four trillion, five hundred forty billion, five million, three hundred forty-one thousand, six hundred sixty-one".