853131890610 has 128 divisors (see below), whose sum is σ = 2299335897600. Its totient is φ = 225071861760.

The previous prime is 853131890581. The next prime is 853131890617. The reversal of 853131890610 is 16098131358.

It is a happy number.

853131890610 is a `hidden beast` number, since 8 + 5 + 3 + 13 + 18 + 9 + 0 + 610 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (853131890617) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102424926 + ... + 102433254.

It is an arithmetic number, because the mean of its divisors is an integer number (17963561700).

Almost surely, 2^853131890610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853131890610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149667948800).

853131890610 is an abundant number, since it is smaller than the sum of its proper divisors (1446204006990).

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

853131890610 is a wasteful number, since it uses less digits than its factorization.

853131890610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12353 (or 12347 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 853131890610 in words is "eight hundred fifty-three billion, one hundred thirty-one million, eight hundred ninety thousand, six hundred ten".