6635661543346 has 8 divisors (see below), whose sum is σ = 10858355252784. Its totient is φ = 3016209792420.

The previous prime is 6635661543317. The next prime is 6635661543361. The reversal of 6635661543346 is 6433451665366.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150810489600 + ... + 150810489643.

It is an arithmetic number, because the mean of its divisors is an integer number (1357294406598).

Almost surely, 2^{6635661543346} is an apocalyptic number.

6635661543346 is a deficient number, since it is larger than the sum of its proper divisors (4222693709438).

6635661543346 is a wasteful number, since it uses less digits than its factorization.

6635661543346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301620979256.

The product of its digits is 83980800, while the sum is 58.

The spelling of 6635661543346 in words is "six trillion, six hundred thirty-five billion, six hundred sixty-one million, five hundred forty-three thousand, three hundred forty-six".