1601103530 has 16 divisors (see below), whose sum is σ = 3103677864. Its totient is φ = 591176640.

The previous prime is 1601103521. The next prime is 1601103557. The reversal of 1601103530 is 353011061.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 666517489 + 934586041 = 25817^2 + 30571^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6157961 + ... + 6158220.

Almost surely, 2^1601103530 is an apocalyptic number.

1601103530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1601103530 is a deficient number, since it is larger than the sum of its proper divisors (1502574334).

1601103530 is a wasteful number, since it uses less digits than its factorization.

1601103530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12316201.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1601103530 is about 40013.7917473463. The cubic root of 1601103530 is about 1169.8759285972.

Adding to 1601103530 its reverse (353011061), we get a palindrome (1954114591).

The spelling of 1601103530 in words is "one billion, six hundred one million, one hundred three thousand, five hundred thirty".