1663002137102 has 4 divisors (see below), whose sum is σ = 2494503205656. Its totient is φ = 831501068550.

The previous prime is 1663002137101. The next prime is 1663002137117. The reversal of 1663002137102 is 2017312003661.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1663002137102² (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 (1663002137101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415750534274 + ... + 415750534277.

It is an arithmetic number, because the mean of its divisors is an integer number (623625801414).

Almost surely, 2^{1663002137102} is an apocalyptic number.

1663002137102 is a deficient number, since it is larger than the sum of its proper divisors (831501068554).

1663002137102 is an equidigital number, since it uses as much as digits as its factorization.

1663002137102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831501068553.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 1663002137102 in words is "one trillion, six hundred sixty-three billion, two million, one hundred thirty-seven thousand, one hundred two".