4162660477421 has 4 divisors (see below), whose sum is σ = 4162875810492. Its totient is φ = 4162445144352.

The previous prime is 4162660477397. The next prime is 4162660477433. The reversal of 4162660477421 is 1247740662614.

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 2141571754921 + 2021088722500 = 1463411^2 + 1421650^2 .

It is a cyclic number.

It is not a de Polignac number, because 4162660477421 - 2¹⁰ = 4162660476397 is a prime.

It is a super-2 number, since 2×4162660477421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4162660477421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4162663477421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107637536 + ... + 107676201.

It is an arithmetic number, because the mean of its divisors is an integer number (1040718952623).

Almost surely, 2^{4162660477421} is an apocalyptic number.

It is an amenable number.

4162660477421 is a deficient number, since it is larger than the sum of its proper divisors (215333071).

4162660477421 is a wasteful number, since it uses less digits than its factorization.

4162660477421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215333070.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 4162660477421 in words is "four trillion, one hundred sixty-two billion, six hundred sixty million, four hundred seventy-seven thousand, four hundred twenty-one".