3332501666 has 16 divisors (see below), whose sum is σ = 5436575928. Its totient is φ = 1522848000.

The previous prime is 3332501659. The next prime is 3332501699. The reversal of 3332501666 is 6661052333.

It can be written as a sum of positive squares in 4 ways, for example, as 3332175625 + 326041 = 57725^2 + 571^2 .

It is a super-2 number, since 2×3332501666² = 22211134707785551112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631895 + ... + 637146.

Almost surely, 2^3332501666 is an apocalyptic number.

3332501666 is a deficient number, since it is larger than the sum of its proper divisors (2104074262).

3332501666 is a wasteful number, since it uses less digits than its factorization.

3332501666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269157.

The product of its (nonzero) digits is 58320, while the sum is 35.

The square root of 3332501666 is about 57727.8240192717. The cubic root of 3332501666 is about 1493.6773372543.

Adding to 3332501666 its reverse (6661052333), we get a palindrome (9993553999).

The spelling of 3332501666 in words is "three billion, three hundred thirty-two million, five hundred one thousand, six hundred sixty-six".