6446202156146 has 16 divisors (see below), whose sum is σ = 9671785050240. Its totient is φ = 3222273919200.

The previous prime is 6446202156139. The next prime is 6446202156161. The reversal of 6446202156146 is 6416512026446.

It is a self number, because there is not a number n which added to its sum of digits gives 6446202156146.

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, 178295171 + ... + 178331321.

It is an arithmetic number, because the mean of its divisors is an integer number (604486565640).

Almost surely, 2^{6446202156146} is an apocalyptic number.

6446202156146 is a deficient number, since it is larger than the sum of its proper divisors (3225582894094).

6446202156146 is a wasteful number, since it uses less digits than its factorization.

6446202156146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56569.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 6446202156146 in words is "six trillion, four hundred forty-six billion, two hundred two million, one hundred fifty-six thousand, one hundred forty-six".