22061426566216 has 8 divisors (see below), whose sum is σ = 41365174811670. Its totient is φ = 11030713283104.

The previous prime is 22061426566087. The next prime is 22061426566243. The reversal of 22061426566216 is 61266562416022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21219418454116 + 842008112100 = 4606454^2 + 917610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 22061426566216.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378839160381 + ... + 1378839160396.

Almost surely, 2^{22061426566216} is an apocalyptic number.

It is an amenable number.

22061426566216 is a deficient number, since it is larger than the sum of its proper divisors (19303748245454).

22061426566216 is a wasteful number, since it uses less digits than its factorization.

22061426566216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757678320783 (or 2757678320779 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 22061426566216 in words is "twenty-two trillion, sixty-one billion, four hundred twenty-six million, five hundred sixty-six thousand, two hundred sixteen".