44966401666 has 32 divisors (see below), whose sum is σ = 72809238528. Its totient is φ = 20767066320.

The previous prime is 44966401619. The next prime is 44966401673. The reversal of 44966401666 is 66610466944.

It is a happy number.

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, 632181 + ... + 699703.

It is an arithmetic number, because the mean of its divisors is an integer number (2275288704).

Almost surely, 2^44966401666 is an apocalyptic number.

44966401666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

44966401666 is a deficient number, since it is larger than the sum of its proper divisors (27842836862).

44966401666 is a wasteful number, since it uses less digits than its factorization.

44966401666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68046.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 44966401666 in words is "forty-four billion, nine hundred sixty-six million, four hundred one thousand, six hundred sixty-six".