65998753548 has 48 divisors (see below), whose sum is σ = 189534885120. Its totient is φ = 17406264384.

The previous prime is 65998753547. The next prime is 65998753573. The reversal of 65998753548 is 84535789956.

It is not an unprimeable number, because it can be changed into a prime (65998753543) 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, 30218118 + ... + 30220301.

It is an arithmetic number, because the mean of its divisors is an integer number (3948643440).

Almost surely, 2^65998753548 is an apocalyptic number.

It is an amenable number.

65998753548 is an abundant number, since it is smaller than the sum of its proper divisors (123536131572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65998753548 is a wasteful number, since it uses less digits than its factorization.

65998753548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60438446 (or 60438444 counting only the distinct ones).

The product of its digits is 326592000, while the sum is 69.

The spelling of 65998753548 in words is "sixty-five billion, nine hundred ninety-eight million, seven hundred fifty-three thousand, five hundred forty-eight".