1855168930 has 32 divisors (see below), whose sum is σ = 3519754560. Its totient is φ = 702072000.

The previous prime is 1855168901. The next prime is 1855168933. The reversal of 1855168930 is 398615581.

It is not an unprimeable number, because it can be changed into a prime (1855168933) 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, 145305 + ... + 157555.

It is an arithmetic number, because the mean of its divisors is an integer number (109992330).

Almost surely, 2^1855168930 is an apocalyptic number.

1855168930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1855168930 is a deficient number, since it is larger than the sum of its proper divisors (1664585630).

1855168930 is a wasteful number, since it uses less digits than its factorization.

1855168930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13074.

The product of its (nonzero) digits is 259200, while the sum is 46.

The square root of 1855168930 is about 43071.6720130528. The cubic root of 1855168930 is about 1228.7432754222.

The spelling of 1855168930 in words is "one billion, eight hundred fifty-five million, one hundred sixty-eight thousand, nine hundred thirty".