1651622566056 has 16 divisors (see below), whose sum is σ = 4129056415200. Its totient is φ = 550540855344.

The previous prime is 1651622566049. The next prime is 1651622566129. The reversal of 1651622566056 is 6506652261561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34408803436 + ... + 34408803483.

It is an arithmetic number, because the mean of its divisors is an integer number (258066025950).

Almost surely, 2^{1651622566056} is an apocalyptic number.

It is an amenable number.

1651622566056 is an abundant number, since it is smaller than the sum of its proper divisors (2477433849144).

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

1651622566056 is a wasteful number, since it uses less digits than its factorization.

1651622566056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68817606928 (or 68817606924 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 1651622566056 in words is "one trillion, six hundred fifty-one billion, six hundred twenty-two million, five hundred sixty-six thousand, fifty-six".