6161665108 has 24 divisors (see below), whose sum is σ = 10831451904. Its totient is φ = 3066991200.

The previous prime is 6161665087. The next prime is 6161665123. The reversal of 6161665108 is 8015661616.

It is a happy number.

It is a super-2 number, since 2×6161665108² = 75932233806289303328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130566 + ... + 1136002.

It is an arithmetic number, because the mean of its divisors is an integer number (451310496).

Almost surely, 2^6161665108 is an apocalyptic number.

It is an amenable number.

6161665108 is a deficient number, since it is larger than the sum of its proper divisors (4669786796).

6161665108 is a wasteful number, since it uses less digits than its factorization.

6161665108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6663 (or 6661 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 6161665108 is about 78496.2744848442. The cubic root of 6161665108 is about 1833.2964470669.

The spelling of 6161665108 in words is "six billion, one hundred sixty-one million, six hundred sixty-five thousand, one hundred eight".