1616101605501 has 32 divisors (see below), whose sum is σ = 2238560064000. Its totient is φ = 1035845572608.

The previous prime is 1616101605493. The next prime is 1616101605533. The reversal of 1616101605501 is 1055061016161.

It is not a de Polignac number, because 1616101605501 - 2³ = 1616101605493 is a prime.

It is a super-2 number, since 2×1616101605501² (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 (1616101605901) 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 31 ways as a sum of consecutive naturals, for example, 22044615 + ... + 22117803.

It is an arithmetic number, because the mean of its divisors is an integer number (69955002000).

Almost surely, 2^{1616101605501} is an apocalyptic number.

It is an amenable number.

1616101605501 is a deficient number, since it is larger than the sum of its proper divisors (622458458499).

1616101605501 is a wasteful number, since it uses less digits than its factorization.

1616101605501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74293.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 1616101605501 in words is "one trillion, six hundred sixteen billion, one hundred one million, six hundred five thousand, five hundred one".