1050661664 has 24 divisors (see below), whose sum is σ = 2227605660. Its totient is φ = 484920576.

The previous prime is 1050661637. The next prime is 1050661669. The reversal of 1050661664 is 4661660501.

It can be written as a sum of positive squares in 2 ways, for example, as 816816400 + 233845264 = 28580^2 + 15292^2 .

It is a super-2 number, since 2×1050661664² = 2207779864398497792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1050661669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262399 + ... + 1263230.

Almost surely, 2^1050661664 is an apocalyptic number.

It is an amenable number.

1050661664 is an abundant number, since it is smaller than the sum of its proper divisors (1176943996).

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

1050661664 is a wasteful number, since it uses less digits than its factorization.

1050661664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525652 (or 2525644 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1050661664 is about 32413.9115812948. The cubic root of 1050661664 is about 1016.6098081373.

The spelling of 1050661664 in words is "one billion, fifty million, six hundred sixty-one thousand, six hundred sixty-four".