1601162101 has 8 divisors (see below), whose sum is σ = 1996254144. Its totient is φ = 1247658720.

The previous prime is 1601162063. The next prime is 1601162107. The reversal of 1601162101 is 1012611061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1601162101 - 2⁷ = 1601161973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601162107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10397080 + ... + 10397233.

It is an arithmetic number, because the mean of its divisors is an integer number (249531768).

Almost surely, 2^1601162101 is an apocalyptic number.

1601162101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1601162101 is a deficient number, since it is larger than the sum of its proper divisors (395092043).

1601162101 is a wasteful number, since it uses less digits than its factorization.

1601162101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20794331.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1601162101 is about 40014.5236258037. The cubic root of 1601162101 is about 1169.8901937516.

Adding to 1601162101 its reverse (1012611061), we get a palindrome (2613773162).

The spelling of 1601162101 in words is "one billion, six hundred one million, one hundred sixty-two thousand, one hundred one".