101616660651605 has 32 divisors (see below), whose sum is σ = 141064207447680. Its totient is φ = 69450241208320.

The previous prime is 101616660651577. The next prime is 101616660651637. The reversal of 101616660651605 is 506156066616101.

It is not a de Polignac number, because 101616660651605 - 2²² = 101616656457301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81842804 + ... + 83075133.

It is an arithmetic number, because the mean of its divisors is an integer number (4408256482740).

Almost surely, 2^{101616660651605} is an apocalyptic number.

It is an amenable number.

101616660651605 is a deficient number, since it is larger than the sum of its proper divisors (39447546796075).

101616660651605 is a wasteful number, since it uses less digits than its factorization.

101616660651605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164918629.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 101616660651605 in words is "one hundred one trillion, six hundred sixteen billion, six hundred sixty million, six hundred fifty-one thousand, six hundred five".