1853164419690 has 64 divisors (see below), whose sum is σ = 4488857885952. Its totient is φ = 489596083200.

The previous prime is 1853164419611. The next prime is 1853164419703. The reversal of 1853164419690 is 969144613581.

It is a happy number.

It is a super-2 number, since 2×1853164419690² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1853164419690.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7956795 + ... + 8186385.

It is an arithmetic number, because the mean of its divisors is an integer number (70138404468).

Almost surely, 2^{1853164419690} is an apocalyptic number.

1853164419690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1853164419690 is an abundant number, since it is smaller than the sum of its proper divisors (2635693466262).

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

1853164419690 is a wasteful number, since it uses less digits than its factorization.

1853164419690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232095.

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 1853164419690 in words is "one trillion, eight hundred fifty-three billion, one hundred sixty-four million, four hundred nineteen thousand, six hundred ninety".