3666642330 has 32 divisors (see below), whose sum is σ = 9476861184. Its totient is φ = 902558016.

The previous prime is 3666642323. The next prime is 3666642377. The reversal of 3666642330 is 332466663.

It is a super-2 number, since 2×3666642330² = 26888531952295657800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4700434 + ... + 4701213.

It is an arithmetic number, because the mean of its divisors is an integer number (296151912).

Almost surely, 2^3666642330 is an apocalyptic number.

3666642330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3666642330 is an abundant number, since it is smaller than the sum of its proper divisors (5810218854).

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

3666642330 is a wasteful number, since it uses less digits than its factorization.

3666642330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9401670.

The product of its (nonzero) digits is 279936, while the sum is 39.

The square root of 3666642330 is about 60552.8061282052. The cubic root of 3666642330 is about 1542.0182581139.

The spelling of 3666642330 in words is "three billion, six hundred sixty-six million, six hundred forty-two thousand, three hundred thirty".