1401663054 has 16 divisors (see below), whose sum is σ = 3058174080. Its totient is φ = 424746360.

The previous prime is 1401663031. The next prime is 1401663091. The reversal of 1401663054 is 4503661041.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10618594 + ... + 10618725.

It is an arithmetic number, because the mean of its divisors is an integer number (191135880).

Almost surely, 2^1401663054 is an apocalyptic number.

1401663054 is an abundant number, since it is smaller than the sum of its proper divisors (1656511026).

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

1401663054 is a wasteful number, since it uses less digits than its factorization.

1401663054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21237335.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1401663054 is about 37438.7907657285. The cubic root of 1401663054 is about 1119.1317287328.

The spelling of 1401663054 in words is "one billion, four hundred one million, six hundred sixty-three thousand, fifty-four".