1601406105 has 32 divisors (see below), whose sum is σ = 2773419264. Its totient is φ = 784363776.

The previous prime is 1601406049. The next prime is 1601406109. The reversal of 1601406105 is 5016041061.

It is not a de Polignac number, because 1601406105 - 2¹⁴ = 1601389721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1601406109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17572 + ... + 59258.

It is an arithmetic number, because the mean of its divisors is an integer number (86669352).

Almost surely, 2^1601406105 is an apocalyptic number.

1601406105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1601406105 is a deficient number, since it is larger than the sum of its proper divisors (1172013159).

1601406105 is a wasteful number, since it uses less digits than its factorization.

1601406105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41905.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1601406105 is about 40017.5724526114. The cubic root of 1601406105 is about 1169.9496179635.

Adding to 1601406105 its reverse (5016041061), we get a palindrome (6617447166).

The spelling of 1601406105 in words is "one billion, six hundred one million, four hundred six thousand, one hundred five".