1663125102053 has 4 divisors (see below), whose sum is σ = 1679271947808. Its totient is φ = 1646978256300.

The previous prime is 1663125102049. The next prime is 1663125102061. The reversal of 1663125102053 is 3502015213661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1663125102053 - 2² = 1663125102049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663125102553) 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, 8073422723 + ... + 8073422928.

It is an arithmetic number, because the mean of its divisors is an integer number (419817986952).

Almost surely, 2^{1663125102053} is an apocalyptic number.

It is an amenable number.

1663125102053 is a deficient number, since it is larger than the sum of its proper divisors (16146845755).

1663125102053 is a wasteful number, since it uses less digits than its factorization.

1663125102053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16146845754.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 1663125102053 in words is "one trillion, six hundred sixty-three billion, one hundred twenty-five million, one hundred two thousand, fifty-three".