1600531241421 has 16 divisors (see below), whose sum is σ = 2452379366528. Its totient is φ = 909536299200.

The previous prime is 1600531241417. The next prime is 1600531241479. The reversal of 1600531241421 is 1241421350061.

It is not a de Polignac number, because 1600531241421 - 2² = 1600531241417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600531241521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210537010 + ... + 210544611.

It is an arithmetic number, because the mean of its divisors is an integer number (153273710408).

Almost surely, 2^{1600531241421} is an apocalyptic number.

It is an amenable number.

1600531241421 is a deficient number, since it is larger than the sum of its proper divisors (851848125107).

1600531241421 is a wasteful number, since it uses less digits than its factorization.

1600531241421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421081812.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 1600531241421 its reverse (1241421350061), we get a palindrome (2841952591482).

The spelling of 1600531241421 in words is "one trillion, six hundred billion, five hundred thirty-one million, two hundred forty-one thousand, four hundred twenty-one".