1853266223146 has 64 divisors (see below), whose sum is σ = 3173973626880. Its totient is φ = 804511569600.

The previous prime is 1853266223143. The next prime is 1853266223147. The reversal of 1853266223146 is 6413226623581.

It is a super-2 number, since 2×1853266223146² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1853266223146.

It is not an unprimeable number, because it can be changed into a prime (1853266223143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153881401 + ... + 153893443.

It is an arithmetic number, because the mean of its divisors is an integer number (49593337920).

Almost surely, 2^{1853266223146} is an apocalyptic number.

1853266223146 is a deficient number, since it is larger than the sum of its proper divisors (1320707403734).

1853266223146 is a wasteful number, since it uses less digits than its factorization.

1853266223146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14291.

The product of its digits is 2488320, while the sum is 49.

The spelling of 1853266223146 in words is "one trillion, eight hundred fifty-three billion, two hundred sixty-six million, two hundred twenty-three thousand, one hundred forty-six".