1652350666 has 8 divisors (see below), whose sum is σ = 2624321700. Its totient is φ = 777576768.

The previous prime is 1652350663. The next prime is 1652350669. The reversal of 1652350666 is 6660532561.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1652350663) and next prime (1652350669).

It can be written as a sum of positive squares in 2 ways, for example, as 1638549441 + 13801225 = 40479^2 + 3715^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1652350663) 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, 24299241 + ... + 24299308.

Almost surely, 2^1652350666 is an apocalyptic number.

1652350666 is a deficient number, since it is larger than the sum of its proper divisors (971971034).

1652350666 is a wasteful number, since it uses less digits than its factorization.

1652350666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48598568.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 1652350666 is about 40649.1164233615. The cubic root of 1652350666 is about 1182.2266360161.

The spelling of 1652350666 in words is "one billion, six hundred fifty-two million, three hundred fifty thousand, six hundred sixty-six".