1616528676657 has 16 divisors (see below), whose sum is σ = 2196135488448. Its totient is φ = 1057305612480.

The previous prime is 1616528676643. The next prime is 1616528676677. The reversal of 1616528676657 is 7566768256161.

It is not a de Polignac number, because 1616528676657 - 2⁶ = 1616528676593 is a prime.

It is a super-2 number, since 2×1616528676657² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616528676677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3611407 + ... + 4034267.

It is an arithmetic number, because the mean of its divisors is an integer number (137258468028).

Almost surely, 2^{1616528676657} is an apocalyptic number.

It is an amenable number.

1616528676657 is a deficient number, since it is larger than the sum of its proper divisors (579606811791).

1616528676657 is a wasteful number, since it uses less digits than its factorization.

1616528676657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446960.

The product of its digits is 152409600, while the sum is 66.

The spelling of 1616528676657 in words is "one trillion, six hundred sixteen billion, five hundred twenty-eight million, six hundred seventy-six thousand, six hundred fifty-seven".