1401663055 has 16 divisors (see below), whose sum is σ = 1812321504. Its totient is φ = 1034536320.

The previous prime is 1401663031. The next prime is 1401663091. The reversal of 1401663055 is 5503661041.

It is not a de Polignac number, because 1401663055 - 2²⁹ = 864792143 is a prime.

It is a Duffinian number.

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, 155985 + ... + 164725.

It is an arithmetic number, because the mean of its divisors is an integer number (113270094).

Almost surely, 2^1401663055 is an apocalyptic number.

1401663055 is a deficient number, since it is larger than the sum of its proper divisors (410658449).

1401663055 is a wasteful number, since it uses less digits than its factorization.

1401663055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11226.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1401663055 is about 37438.7907790837. The cubic root of 1401663055 is about 1119.1317289990.

The spelling of 1401663055 in words is "one billion, four hundred one million, six hundred sixty-three thousand, fifty-five".