1616432476357 has 4 divisors (see below), whose sum is σ = 1646931202380. Its totient is φ = 1585933750336.

The previous prime is 1616432476343. The next prime is 1616432476363. The reversal of 1616432476357 is 7536742346161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 955009744516 + 661422731841 = 977246^2 + 813279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1616432476357 is a prime.

It is a super-2 number, since 2×1616432476357² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1616432476298 and 1616432476307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616432476327) 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 3 ways as a sum of consecutive naturals, for example, 15249362932 + ... + 15249363037.

It is an arithmetic number, because the mean of its divisors is an integer number (411732800595).

Almost surely, 2^{1616432476357} is an apocalyptic number.

It is an amenable number.

1616432476357 is a deficient number, since it is larger than the sum of its proper divisors (30498726023).

1616432476357 is an equidigital number, since it uses as much as digits as its factorization.

1616432476357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30498726022.

The product of its digits is 15240960, while the sum is 55.

The spelling of 1616432476357 in words is "one trillion, six hundred sixteen billion, four hundred thirty-two million, four hundred seventy-six thousand, three hundred fifty-seven".