618475290608 has 80 divisors (see below), whose sum is σ = 1375722376704. Its totient is φ = 263855612160.

The previous prime is 618475290607. The next prime is 618475290649. The reversal of 618475290608 is 806092574816.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618475290607) 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, 22005941 + ... + 22034027.

Almost surely, 2^618475290608 is an apocalyptic number.

It is an amenable number.

618475290608 is an abundant number, since it is smaller than the sum of its proper divisors (757247086096).

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

618475290608 is a wasteful number, since it uses less digits than its factorization.

618475290608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28990 (or 28984 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 618475290608 in words is "six hundred eighteen billion, four hundred seventy-five million, two hundred ninety thousand, six hundred eight".