653108412678 has 16 divisors (see below), whose sum is σ = 1334008673280. Its totient is φ = 213070829576.

The previous prime is 653108412673. The next prime is 653108412707. The reversal of 653108412678 is 876214801356.

It is a super-2 number, since 2×653108412678² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 653108412678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653108412673) 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, 1157993358 + ... + 1157993921.

It is an arithmetic number, because the mean of its divisors is an integer number (83375542080).

Almost surely, 2^653108412678 is an apocalyptic number.

653108412678 is an abundant number, since it is smaller than the sum of its proper divisors (680900260602).

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

653108412678 is a wasteful number, since it uses less digits than its factorization.

653108412678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315987331.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 653108412678 in words is "six hundred fifty-three billion, one hundred eight million, four hundred twelve thousand, six hundred seventy-eight".