10161155666 has 8 divisors (see below), whose sum is σ = 15242590704. Its totient is φ = 5080292100.

The previous prime is 10161155659. The next prime is 10161155677. The reversal of 10161155666 is 66655116101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95240 + ... + 171443.

It is an arithmetic number, because the mean of its divisors is an integer number (1905323838).

Almost surely, 2^10161155666 is an apocalyptic number.

10161155666 is a deficient number, since it is larger than the sum of its proper divisors (5081435038).

10161155666 is a wasteful number, since it uses less digits than its factorization.

10161155666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285736.

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

The spelling of 10161155666 in words is "ten billion, one hundred sixty-one million, one hundred fifty-five thousand, six hundred sixty-six".