3545278047566 has 16 divisors (see below), whose sum is σ = 5524427529600. Its totient is φ = 1704530636640.

The previous prime is 3545278047559. The next prime is 3545278047667. The reversal of 3545278047566 is 6657408725453.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a junction number, because it is equal to n+sod(n) for n = 3545278047499 and 3545278047508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182098241 + ... + 182117708.

It is an arithmetic number, because the mean of its divisors is an integer number (345276720600).

Almost surely, 2^{3545278047566} is an apocalyptic number.

3545278047566 is a deficient number, since it is larger than the sum of its proper divisors (1979149482034).

3545278047566 is a wasteful number, since it uses less digits than its factorization.

3545278047566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364216139.

The product of its (nonzero) digits is 169344000, while the sum is 62.

The spelling of 3545278047566 in words is "three trillion, five hundred forty-five billion, two hundred seventy-eight million, forty-seven thousand, five hundred sixty-six".