1016512552656 has 60 divisors (see below), whose sum is σ = 2848158748708. Its totient is φ = 338440246272.

The previous prime is 1016512552609. The next prime is 1016512552667. The reversal of 1016512552656 is 6562552156101.

It is a happy number.

1016512552656 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 51 + 25 + 526 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41040277056 + 975472275600 = 202584^2 + 987660^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4014985 + ... + 4260648.

Almost surely, 2^{1016512552656} is an apocalyptic number.

1016512552656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1016512552656 is an abundant number, since it is smaller than the sum of its proper divisors (1831646196052).

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

1016512552656 is a wasteful number, since it uses less digits than its factorization.

1016512552656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8276500 (or 8276491 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 1016512552656 in words is "one trillion, sixteen billion, five hundred twelve million, five hundred fifty-two thousand, six hundred fifty-six".