3161426736 has 160 divisors (see below), whose sum is σ = 9156913920. Its totient is φ = 933553152.

The previous prime is 3161426731. The next prime is 3161426803. The reversal of 3161426736 is 6376241613.

It is a super-2 number, since 2×3161426736² = 19989238014191227392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 3161426694 and 3161426703.

It is not an unprimeable number, because it can be changed into a prime (3161426731) 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, 1582090 + ... + 1584086.

It is an arithmetic number, because the mean of its divisors is an integer number (57230712).

Almost surely, 2^3161426736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3161426736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4578456960).

3161426736 is an abundant number, since it is smaller than the sum of its proper divisors (5995487184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3161426736 is a wasteful number, since it uses less digits than its factorization.

3161426736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123 (or 2117 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 3161426736 is about 56226.5661053563. The cubic root of 3161426736 is about 1467.6676011409.

The spelling of 3161426736 in words is "three billion, one hundred sixty-one million, four hundred twenty-six thousand, seven hundred thirty-six".