1616452641401 has 6 divisors (see below), whose sum is σ = 1750359960990. Its totient is φ = 1492110130368.

The previous prime is 1616452641379. The next prime is 1616452641443. The reversal of 1616452641401 is 1041462546161.

It can be written as a sum of positive squares in 3 ways, for example, as 97393926400 + 1519058715001 = 312080^2 + 1232501^2 .

It is not a de Polignac number, because 1616452641401 - 2³⁸ = 1341574734457 is a prime.

It is a super-2 number, since 2×1616452641401² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616452671401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4782404096 + ... + 4782404433.

It is an arithmetic number, because the mean of its divisors is an integer number (291726660165).

Almost surely, 2^{1616452641401} is an apocalyptic number.

It is an amenable number.

1616452641401 is a deficient number, since it is larger than the sum of its proper divisors (133907319589).

1616452641401 is an equidigital number, since it uses as much as digits as its factorization.

1616452641401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9564808555 (or 9564808542 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 1616452641401 in words is "one trillion, six hundred sixteen billion, four hundred fifty-two million, six hundred forty-one thousand, four hundred one".