1600898461 has 2 divisors, whose sum is σ = 1600898462. Its totient is φ = 1600898460.

The previous prime is 1600898413. The next prime is 1600898479. The reversal of 1600898461 is 1648980061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1600400025 + 498436 = 40005^2 + 706^2 .

It is an emirp because it is prime and its reverse (1648980061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1600898461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1600898261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800449230 + 800449231.

It is an arithmetic number, because the mean of its divisors is an integer number (800449231).

Almost surely, 2^1600898461 is an apocalyptic number.

It is an amenable number.

1600898461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600898461 is an equidigital number, since it uses as much as digits as its factorization.

1600898461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 1600898461 is about 40011.2291863172. The cubic root of 1600898461 is about 1169.8259806445.

The spelling of 1600898461 in words is "one billion, six hundred million, eight hundred ninety-eight thousand, four hundred sixty-one".