1056616664535 has 24 divisors (see below), whose sum is σ = 1831655985120. Its totient is φ = 563471318592.

The previous prime is 1056616664533. The next prime is 1056616664561. The reversal of 1056616664535 is 5354666166501.

It is not a de Polignac number, because 1056616664535 - 2¹ = 1056616664533 is a prime.

It is a super-2 number, since 2×1056616664535² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056616664533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 752139 + ... + 1636748.

It is an arithmetic number, because the mean of its divisors is an integer number (76318999380).

Almost surely, 2^{1056616664535} is an apocalyptic number.

1056616664535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1056616664535 is a deficient number, since it is larger than the sum of its proper divisors (775039320585).

1056616664535 is a wasteful number, since it uses less digits than its factorization.

1056616664535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398727 (or 2398724 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 1056616664535 in words is "one trillion, fifty-six billion, six hundred sixteen million, six hundred sixty-four thousand, five hundred thirty-five".