65267916398 has 16 divisors (see below), whose sum is σ = 101538977280. Its totient is φ = 31431569400.

The previous prime is 65267916397. The next prime is 65267916433. The reversal of 65267916398 is 89361976256.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 65267916398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65267916391) 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, 2481488 + ... + 2507651.

It is an arithmetic number, because the mean of its divisors is an integer number (6346186080).

Almost surely, 2^65267916398 is an apocalyptic number.

65267916398 is a deficient number, since it is larger than the sum of its proper divisors (36271060882).

65267916398 is a wasteful number, since it uses less digits than its factorization.

65267916398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989383.

The product of its digits is 29393280, while the sum is 62.

The spelling of 65267916398 in words is "sixty-five billion, two hundred sixty-seven million, nine hundred sixteen thousand, three hundred ninety-eight".