3755406666 has 32 divisors (see below), whose sum is σ = 8235235008. Its totient is φ = 1132221440.

The previous prime is 3755406653. The next prime is 3755406667. The reversal of 3755406666 is 6666045573.

It is not an unprimeable number, because it can be changed into a prime (3755406667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131415 + ... + 157418.

It is an arithmetic number, because the mean of its divisors is an integer number (257351094).

Almost surely, 2^3755406666 is an apocalyptic number.

3755406666 is an abundant number, since it is smaller than the sum of its proper divisors (4479828342).

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

3755406666 is a wasteful number, since it uses less digits than its factorization.

3755406666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289046.

The product of its (nonzero) digits is 2721600, while the sum is 48.

The square root of 3755406666 is about 61281.3729121664. The cubic root of 3755406666 is about 1554.3625507974.

The spelling of 3755406666 in words is "three billion, seven hundred fifty-five million, four hundred six thousand, six hundred sixty-six".