128037716166613 has 16 divisors (see below), whose sum is σ = 139901449064832. Its totient is φ = 116211322368000.

The previous prime is 128037716166599. The next prime is 128037716166617. The reversal of 128037716166613 is 316661617730821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128037716166613 is a prime.

It is a super-2 number, since 2×128037716166613² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128037716166617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168216745 + ... + 168976177.

It is an arithmetic number, because the mean of its divisors is an integer number (8743840566552).

Almost surely, 2^{128037716166613} is an apocalyptic number.

It is an amenable number.

128037716166613 is a deficient number, since it is larger than the sum of its proper divisors (11863732898219).

128037716166613 is a wasteful number, since it uses less digits than its factorization.

128037716166613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783996.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 128037716166613 in words is "one hundred twenty-eight trillion, thirty-seven billion, seven hundred sixteen million, one hundred sixty-six thousand, six hundred thirteen".