6166161155 has 32 divisors (see below), whose sum is σ = 9229828608. Its totient is φ = 3841920000.

The previous prime is 6166161121. The next prime is 6166161161. The reversal of 6166161155 is 5511616616.

It is not a de Polignac number, because 6166161155 - 2⁶ = 6166161091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1538384 + ... + 1542386.

It is an arithmetic number, because the mean of its divisors is an integer number (288432144).

Almost surely, 2^6166161155 is an apocalyptic number.

6166161155 is a deficient number, since it is larger than the sum of its proper divisors (3063667453).

6166161155 is a wasteful number, since it uses less digits than its factorization.

6166161155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027.

The product of its digits is 32400, while the sum is 38.

The square root of 6166161155 is about 78524.9078636836. The cubic root of 6166161155 is about 1833.7422455559.

The spelling of 6166161155 in words is "six billion, one hundred sixty-six million, one hundred sixty-one thousand, one hundred fifty-five".