1663135252102 has 8 divisors (see below), whose sum is σ = 2494716880896. Its totient is φ = 831562958472.

The previous prime is 1663135252067. The next prime is 1663135252109. The reversal of 1663135252102 is 2012525313661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663135252109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1869958 + ... + 2612089.

It is an arithmetic number, because the mean of its divisors is an integer number (311839610112).

Almost surely, 2^{1663135252102} is an apocalyptic number.

1663135252102 is a deficient number, since it is larger than the sum of its proper divisors (831581628794).

1663135252102 is a wasteful number, since it uses less digits than its factorization.

1663135252102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667582.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 1663135252102 in words is "one trillion, six hundred sixty-three billion, one hundred thirty-five million, two hundred fifty-two thousand, one hundred two".