3815161601 has 16 divisors (see below), whose sum is σ = 4054026240. Its totient is φ = 3580209360.

The previous prime is 3815161591. The next prime is 3815161631. The reversal of 3815161601 is 1061615183.

It is a cyclic number.

It is not a de Polignac number, because 3815161601 - 2¹⁸ = 3814899457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3815161631) 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 15 ways as a sum of consecutive naturals, for example, 1848296 + ... + 1850358.

It is an arithmetic number, because the mean of its divisors is an integer number (253376640).

Almost surely, 2^3815161601 is an apocalyptic number.

It is an amenable number.

3815161601 is a deficient number, since it is larger than the sum of its proper divisors (238864639).

3815161601 is a wasteful number, since it uses less digits than its factorization.

3815161601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 3815161601 is about 61766.9944306828. The cubic root of 3815161601 is about 1562.5633946844.

Adding to 3815161601 its reverse (1061615183), we get a palindrome (4876776784).

The spelling of 3815161601 in words is "three billion, eight hundred fifteen million, one hundred sixty-one thousand, six hundred one".