53163241665 has 8 divisors (see below), whose sum is σ = 85061186688. Its totient is φ = 28353728880.

The previous prime is 53163241657. The next prime is 53163241667. The reversal of 53163241665 is 56614236135.

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

It is not a de Polignac number, because 53163241665 - 2³ = 53163241657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53163241667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772108041 + ... + 1772108070.

It is an arithmetic number, because the mean of its divisors is an integer number (10632648336).

Almost surely, 2^53163241665 is an apocalyptic number.

It is an amenable number.

53163241665 is a deficient number, since it is larger than the sum of its proper divisors (31897945023).

53163241665 is a wasteful number, since it uses less digits than its factorization.

53163241665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544216119.

The product of its digits is 388800, while the sum is 42.

The spelling of 53163241665 in words is "fifty-three billion, one hundred sixty-three million, two hundred forty-one thousand, six hundred sixty-five".