3918124161 has 24 divisors (see below), whose sum is σ = 6473136384. Its totient is φ = 2237155200.

The previous prime is 3918124157. The next prime is 3918124169. The reversal of 3918124161 is 1614218193.

It is not a de Polignac number, because 3918124161 - 2² = 3918124157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3918124169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57736 + ... + 105686.

It is an arithmetic number, because the mean of its divisors is an integer number (269714016).

Almost surely, 2^3918124161 is an apocalyptic number.

It is an amenable number.

3918124161 is a deficient number, since it is larger than the sum of its proper divisors (2555012223).

3918124161 is a wasteful number, since it uses less digits than its factorization.

3918124161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49261 (or 49258 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 3918124161 is about 62594.9212077146. The cubic root of 3918124161 is about 1576.4954853856.

The spelling of 3918124161 in words is "three billion, nine hundred eighteen million, one hundred twenty-four thousand, one hundred sixty-one".