853667520406 has 16 divisors (see below), whose sum is σ = 1299828033504. Its totient is φ = 420407596224.

The previous prime is 853667520401. The next prime is 853667520457. The reversal of 853667520406 is 604025766358.

853667520406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×853667520406² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853667520401) 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, 3915205 + ... + 4127488.

It is an arithmetic number, because the mean of its divisors is an integer number (81239252094).

Almost surely, 2^853667520406 is an apocalyptic number.

853667520406 is a deficient number, since it is larger than the sum of its proper divisors (446160513098).

853667520406 is a wasteful number, since it uses less digits than its factorization.

853667520406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8043495.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 853667520406 in words is "eight hundred fifty-three billion, six hundred sixty-seven million, five hundred twenty thousand, four hundred six".