1222646166546 has 32 divisors (see below), whose sum is σ = 2959009211520. Its totient is φ = 328778800896.

The previous prime is 1222646166527. The next prime is 1222646166571. The reversal of 1222646166546 is 6456616462221.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856194081 + ... + 856195508.

It is an arithmetic number, because the mean of its divisors is an integer number (92469037860).

Almost surely, 2^{1222646166546} is an apocalyptic number.

1222646166546 is an abundant number, since it is smaller than the sum of its proper divisors (1736363044974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222646166546 is a wasteful number, since it uses less digits than its factorization.

1222646166546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712389618.

The product of its digits is 4976640, while the sum is 51.

The spelling of 1222646166546 in words is "one trillion, two hundred twenty-two billion, six hundred forty-six million, one hundred sixty-six thousand, five hundred forty-six".