1346646661534 has 16 divisors (see below), whose sum is σ = 2138866754400. Its totient is φ = 633693854464.

The previous prime is 1346646661513. The next prime is 1346646661537. The reversal of 1346646661534 is 4351666466431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346646661537) 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, 310527 + ... + 1670245.

It is an arithmetic number, because the mean of its divisors is an integer number (133679172150).

Almost surely, 2^{1346646661534} is an apocalyptic number.

1346646661534 is a deficient number, since it is larger than the sum of its proper divisors (792220092866).

1346646661534 is a wasteful number, since it uses less digits than its factorization.

1346646661534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388867.

The product of its digits is 22394880, while the sum is 55.

The spelling of 1346646661534 in words is "one trillion, three hundred forty-six billion, six hundred forty-six million, six hundred sixty-one thousand, five hundred thirty-four".