1600426421356 has 24 divisors (see below), whose sum is σ = 3389138305056. Its totient is φ = 645550152960.

The previous prime is 1600426421323. The next prime is 1600426421357. The reversal of 1600426421356 is 6531246240061.

It is a super-2 number, since 2×1600426421356² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1600426421357) 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 7 ways as a sum of consecutive naturals, for example, 1681119715 + ... + 1681120666.

It is an arithmetic number, because the mean of its divisors is an integer number (141214096044).

Almost surely, 2^{1600426421356} is an apocalyptic number.

It is an amenable number.

1600426421356 is an abundant number, since it is smaller than the sum of its proper divisors (1788711883700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1600426421356 is a wasteful number, since it uses less digits than its factorization.

1600426421356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362240409 (or 3362240407 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 1600426421356 in words is "one trillion, six hundred billion, four hundred twenty-six million, four hundred twenty-one thousand, three hundred fifty-six".