1400166668 has 6 divisors (see below), whose sum is σ = 2450291676. Its totient is φ = 700083332.

The previous prime is 1400166643. The next prime is 1400166689. The reversal of 1400166668 is 8666610041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175020830 + ... + 175020837.

It is an arithmetic number, because the mean of its divisors is an integer number (408381946).

Almost surely, 2^1400166668 is an apocalyptic number.

It is an amenable number.

1400166668 is a deficient number, since it is larger than the sum of its proper divisors (1050125008).

1400166668 is a wasteful number, since it uses less digits than its factorization.

1400166668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350041671 (or 350041669 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1400166668 is about 37418.8009962906. The cubic root of 1400166668 is about 1118.7333330934.

The spelling of 1400166668 in words is "one billion, four hundred million, one hundred sixty-six thousand, six hundred sixty-eight".