3981062160 has 240 divisors, whose sum is σ = 13894253568. Its totient is φ = 1020441600.

The previous prime is 3981062147. The next prime is 3981062219. The reversal of 3981062160 is 612601893.

3981062160 is a `hidden beast` number, since 398 + 106 + 2 + 160 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3860845 + ... + 3861875.

Almost surely, 2^3981062160 is an apocalyptic number.

3981062160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3981062160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6947126784).

3981062160 is an abundant number, since it is smaller than the sum of its proper divisors (9913191408).

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

3981062160 is a wasteful number, since it uses less digits than its factorization.

3981062160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 3981062160 is about 63095.6588047070. The cubic root of 3981062160 is about 1584.8919257448.

The spelling of 3981062160 in words is "three billion, nine hundred eighty-one million, sixty-two thousand, one hundred sixty".