1046661520543 has 8 divisors (see below), whose sum is σ = 1051535114240. Its totient is φ = 1041795363960.

The previous prime is 1046661520519. The next prime is 1046661520549. The reversal of 1046661520543 is 3450251666401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1046661520543 - 2⁹ = 1046661520031 is a prime.

It is a super-2 number, since 2×1046661520543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1046661520543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046661520549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577055 + ... + 2140192.

It is an arithmetic number, because the mean of its divisors is an integer number (131441889280).

Almost surely, 2^{1046661520543} is an apocalyptic number.

1046661520543 is a deficient number, since it is larger than the sum of its proper divisors (4873593697).

1046661520543 is a wasteful number, since it uses less digits than its factorization.

1046661520543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718557.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 1046661520543 in words is "one trillion, forty-six billion, six hundred sixty-one million, five hundred twenty thousand, five hundred forty-three".