1051550166 has 8 divisors (see below), whose sum is σ = 2103100344. Its totient is φ = 350516720.

The previous prime is 1051550153. The next prime is 1051550167. The reversal of 1051550166 is 6610551501.

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

1051550166 is an admirable number.

It is a super-2 number, since 2×1051550166² = 2211515503229255112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051550167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87629175 + ... + 87629186.

It is an arithmetic number, because the mean of its divisors is an integer number (262887543).

Almost surely, 2^1051550166 is an apocalyptic number.

1051550166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1051550166 is a wasteful number, since it uses less digits than its factorization.

1051550166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175258366.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1051550166 is about 32427.6142508202. The cubic root of 1051550166 is about 1016.8962959705.

The spelling of 1051550166 in words is "one billion, fifty-one million, five hundred fifty thousand, one hundred sixty-six".