1400166055 has 16 divisors (see below), whose sum is σ = 1754343360. Its totient is φ = 1070764288.

The previous prime is 1400166041. The next prime is 1400166071. The reversal of 1400166055 is 5506610041.

It is a cyclic number.

It is not a de Polignac number, because 1400166055 - 2²⁹ = 863295143 is a prime.

It is a congruent 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, 262899 + ... + 268171.

It is an arithmetic number, because the mean of its divisors is an integer number (109646460).

Almost surely, 2^1400166055 is an apocalyptic number.

1400166055 is a deficient number, since it is larger than the sum of its proper divisors (354177305).

1400166055 is a wasteful number, since it uses less digits than its factorization.

1400166055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7610.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1400166055 is about 37418.7928052202. The cubic root of 1400166055 is about 1118.7331698310.

Adding to 1400166055 its reverse (5506610041), we get a palindrome (6906776096).

The spelling of 1400166055 in words is "one billion, four hundred million, one hundred sixty-six thousand, fifty-five".