1051668656128 has 52 divisors (see below), whose sum is σ = 2103356143408. Its totient is φ = 525765427200.

The previous prime is 1051668656069. The next prime is 1051668656219. The reversal of 1051668656128 is 8216568661501.

It is a happy number.

It is a super-2 number, since 2×1051668656128² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47916325 + ... + 47938267.

It is an arithmetic number, because the mean of its divisors is an integer number (40449156604).

Almost surely, 2^{1051668656128} is an apocalyptic number.

It is an amenable number.

1051668656128 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1051668656128 is an equidigital number, since it uses as much as digits as its factorization.

1051668656128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33668 (or 33646 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 1051668656128 in words is "one trillion, fifty-one billion, six hundred sixty-eight million, six hundred fifty-six thousand, one hundred twenty-eight".