1026216032656 has 40 divisors (see below), whose sum is σ = 2016059226104. Its totient is φ = 505946373120.

The previous prime is 1026216032627. The next prime is 1026216032693. The reversal of 1026216032656 is 6562306126201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30970368256 + 995245664400 = 175984^2 + 997620^2 .

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, 4415026 + ... + 4641646.

Almost surely, 2^{1026216032656} is an apocalyptic number.

1026216032656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1026216032656 is a deficient number, since it is larger than the sum of its proper divisors (989843193448).

1026216032656 is a wasteful number, since it uses less digits than its factorization.

1026216032656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230579 (or 230573 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 1026216032656 in words is "one trillion, twenty-six billion, two hundred sixteen million, thirty-two thousand, six hundred fifty-six".