1601698241 has 16 divisors (see below), whose sum is σ = 1901131008. Its totient is φ = 1330214400.

The previous prime is 1601698229. The next prime is 1601698249. The reversal of 1601698241 is 1428961061.

It is a cyclic number.

It is not a de Polignac number, because 1601698241 - 2¹⁴ = 1601681857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1601698195 and 1601698204.

It is not an unprimeable number, because it can be changed into a prime (1601698249) 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, 43865 + ... + 71606.

It is an arithmetic number, because the mean of its divisors is an integer number (118820688).

Almost surely, 2^1601698241 is an apocalyptic number.

1601698241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1601698241 is a deficient number, since it is larger than the sum of its proper divisors (299432767).

1601698241 is a wasteful number, since it uses less digits than its factorization.

1601698241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115592.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1601698241 is about 40021.2223826309. Note that the first 3 decimals coincide. The cubic root of 1601698241 is about 1170.0207562003.

The spelling of 1601698241 in words is "one billion, six hundred one million, six hundred ninety-eight thousand, two hundred forty-one".