65403817416 has 144 divisors (see below), whose sum is σ = 213687386640. Its totient is φ = 18686777760.

The previous prime is 65403817411. The next prime is 65403817441. The reversal of 65403817416 is 61471830456.

65403817416 is a `hidden beast` number, since 6 + 540 + 38 + 1 + 74 + 1 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (65403817411) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 248050 + ... + 438561.

It is an arithmetic number, because the mean of its divisors is an integer number (1483940185).

Almost surely, 2^65403817416 is an apocalyptic number.

It is an amenable number.

65403817416 is an abundant number, since it is smaller than the sum of its proper divisors (148283569224).

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

65403817416 is a wasteful number, since it uses less digits than its factorization.

65403817416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686646 (or 686623 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 65403817416 in words is "sixty-five billion, four hundred three million, eight hundred seventeen thousand, four hundred sixteen".