1663356453115 has 32 divisors (see below), whose sum is σ = 2284013528064. Its totient is φ = 1139168499840.

The previous prime is 1663356453107. The next prime is 1663356453167. The reversal of 1663356453115 is 5113546533661.

It is not a de Polignac number, because 1663356453115 - 2³ = 1663356453107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216381802 + ... + 216389488.

It is an arithmetic number, because the mean of its divisors is an integer number (71375422752).

Almost surely, 2^{1663356453115} is an apocalyptic number.

1663356453115 is a deficient number, since it is larger than the sum of its proper divisors (620657074949).

1663356453115 is a wasteful number, since it uses less digits than its factorization.

1663356453115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14587.

The product of its digits is 2916000, while the sum is 49.

The spelling of 1663356453115 in words is "one trillion, six hundred sixty-three billion, three hundred fifty-six million, four hundred fifty-three thousand, one hundred fifteen".