853366669946 has 32 divisors (see below), whose sum is σ = 1475098705920. Its totient is φ = 362685069936.

The previous prime is 853366669943. The next prime is 853366669951. The reversal of 853366669946 is 649966663358.

It is a self number, because there is not a number n which added to its sum of digits gives 853366669946.

It is not an unprimeable number, because it can be changed into a prime (853366669943) 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, 3873761 + ... + 4088123.

It is an arithmetic number, because the mean of its divisors is an integer number (46096834560).

Almost surely, 2^853366669946 is an apocalyptic number.

853366669946 is a deficient number, since it is larger than the sum of its proper divisors (621732035974).

853366669946 is a wasteful number, since it uses less digits than its factorization.

853366669946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216738.

The product of its digits is 906992640, while the sum is 71.

The spelling of 853366669946 in words is "eight hundred fifty-three billion, three hundred sixty-six million, six hundred sixty-nine thousand, nine hundred forty-six".