3948159816 has 48 divisors (see below), whose sum is σ = 10717712460. Its totient is φ = 1313003520.

The previous prime is 3948159811. The next prime is 3948159823. The reversal of 3948159816 is 6189518493.

3948159816 is a `hidden beast` number, since 3 + 9 + 48 + 1 + 598 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3415934916 + 532224900 = 58446^2 + 23070^2 .

It is not an unprimeable number, because it can be changed into a prime (3948159811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32145 + ... + 94496.

Almost surely, 2^3948159816 is an apocalyptic number.

3948159816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3948159816 is an abundant number, since it is smaller than the sum of its proper divisors (6769552644).

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

3948159816 is a wasteful number, since it uses less digits than its factorization.

3948159816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127086 (or 127079 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 3948159816 is about 62834.3840265821. The cubic root of 3948159816 is about 1580.5136149990.

The spelling of 3948159816 in words is "three billion, nine hundred forty-eight million, one hundred fifty-nine thousand, eight hundred sixteen".