1600257098881 has 4 divisors (see below), whose sum is σ = 1828865255872. Its totient is φ = 1371648941892.

The previous prime is 1600257098879. The next prime is 1600257098977. The reversal of 1600257098881 is 1888907520061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1600257098881 - 2¹ = 1600257098879 is a prime.

It is a super-2 number, since 2×1600257098881² (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 (1600257098081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114304078485 + ... + 114304078498.

It is an arithmetic number, because the mean of its divisors is an integer number (457216313968).

Almost surely, 2^{1600257098881} is an apocalyptic number.

It is an amenable number.

1600257098881 is a deficient number, since it is larger than the sum of its proper divisors (228608156991).

1600257098881 is an equidigital number, since it uses as much as digits as its factorization.

1600257098881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228608156990.

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 1600257098881 in words is "one trillion, six hundred billion, two hundred fifty-seven million, ninety-eight thousand, eight hundred eighty-one".