3616909881 has 16 divisors (see below), whose sum is σ = 5224619904. Its totient is φ = 2212458624.

The previous prime is 3616909871. The next prime is 3616909927. The reversal of 3616909881 is 1889096163.

It is not a de Polignac number, because 3616909881 - 2¹⁰ = 3616908857 is a prime.

It is a super-2 number, since 2×3616909881² = 26164074174550868322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3616909801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271156 + ... + 284181.

It is an arithmetic number, because the mean of its divisors is an integer number (326538744).

Almost surely, 2^3616909881 is an apocalyptic number.

It is an amenable number.

3616909881 is a deficient number, since it is larger than the sum of its proper divisors (1607710023).

3616909881 is a wasteful number, since it uses less digits than its factorization.

3616909881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555520.

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 3616909881 is about 60140.7505856054. The cubic root of 3616909881 is about 1535.0147842408.

The spelling of 3616909881 in words is "three billion, six hundred sixteen million, nine hundred nine thousand, eight hundred eighty-one".