1663052653 has 16 divisors (see below), whose sum is σ = 1836184320. Its totient is φ = 1500296256.

The previous prime is 1663052641. The next prime is 1663052689. The reversal of 1663052653 is 3562503661.

It is a cyclic number.

It is not a de Polignac number, because 1663052653 - 2¹⁷ = 1662921581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663052953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7875 + ... + 58207.

It is an arithmetic number, because the mean of its divisors is an integer number (114761520).

Almost surely, 2^1663052653 is an apocalyptic number.

It is an amenable number.

1663052653 is a deficient number, since it is larger than the sum of its proper divisors (173131667).

1663052653 is a wasteful number, since it uses less digits than its factorization.

1663052653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50436.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 1663052653 is about 40780.5425785386. The cubic root of 1663052653 is about 1184.7735039229.

The spelling of 1663052653 in words is "one billion, six hundred sixty-three million, fifty-two thousand, six hundred fifty-three".