853450383366 has 160 divisors (see below), whose sum is σ = 2257307984448. Its totient is φ = 235963653120.

The previous prime is 853450383347. The next prime is 853450383367. The reversal of 853450383366 is 663383054358.

It is a happy number.

853450383366 is a `hidden beast` number, since 8 + 53 + 4 + 503 + 83 + 3 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853450383367) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4290186 + ... + 4484706.

Almost surely, 2^853450383366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853450383366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1128653992224).

853450383366 is an abundant number, since it is smaller than the sum of its proper divisors (1403857601082).

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

853450383366 is a wasteful number, since it uses less digits than its factorization.

853450383366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194668 (or 194659 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 853450383366 in words is "eight hundred fifty-three billion, four hundred fifty million, three hundred eighty-three thousand, three hundred sixty-six".