55150111666 has 16 divisors (see below), whose sum is σ = 92962062144. Its totient is φ = 24347206224.

The previous prime is 55150111663. The next prime is 55150111697. The reversal of 55150111666 is 66611105155.

It is not an unprimeable number, because it can be changed into a prime (55150111663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46111536 + ... + 46112731.

It is an arithmetic number, because the mean of its divisors is an integer number (5810128884).

Almost surely, 2^55150111666 is an apocalyptic number.

55150111666 is a deficient number, since it is larger than the sum of its proper divisors (37811950478).

55150111666 is a wasteful number, since it uses less digits than its factorization.

55150111666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92224305.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 55150111666 in words is "fifty-five billion, one hundred fifty million, one hundred eleven thousand, six hundred sixty-six".