1016555166 has 24 divisors (see below), whose sum is σ = 2402767224. Its totient is φ = 308046960.

The previous prime is 1016555159. The next prime is 1016555213. The reversal of 1016555166 is 6615556101.

It is a self number, because there is not a number n which added to its sum of digits gives 1016555166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2566861 + ... + 2567256.

It is an arithmetic number, because the mean of its divisors is an integer number (100115301).

Almost surely, 2^1016555166 is an apocalyptic number.

1016555166 is an abundant number, since it is smaller than the sum of its proper divisors (1386212058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1016555166 is a wasteful number, since it uses less digits than its factorization.

1016555166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5134136 (or 5134133 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 1016555166 is about 31883.4622649423. The cubic root of 1016555166 is about 1005.4882130813.

The spelling of 1016555166 in words is "one billion, sixteen million, five hundred fifty-five thousand, one hundred sixty-six".