1400165673663 has 16 divisors (see below), whose sum is σ = 1880588077920. Its totient is φ = 926594059776.

The previous prime is 1400165673653. The next prime is 1400165673689. The reversal of 1400165673663 is 3663765610041.

It is not a de Polignac number, because 1400165673663 - 2²⁰ = 1400164625087 is a prime.

It is a super-2 number, since 2×1400165673663² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400165673653) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14112393 + ... + 14211261.

It is an arithmetic number, because the mean of its divisors is an integer number (117536754870).

Almost surely, 2^{1400165673663} is an apocalyptic number.

1400165673663 is a deficient number, since it is larger than the sum of its proper divisors (480422404257).

1400165673663 is a wasteful number, since it uses less digits than its factorization.

1400165673663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133466.

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 1400165673663 in words is "one trillion, four hundred billion, one hundred sixty-five million, six hundred seventy-three thousand, six hundred sixty-three".