1901982182 has 16 divisors (see below), whose sum is σ = 2917632960. Its totient is φ = 929492928.

The previous prime is 1901982179. The next prime is 1901982191. The reversal of 1901982182 is 2812891091.

It is a happy number.

It is a super-2 number, since 2×1901982182² = 7235072441290962248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57794 + ... + 84522.

It is an arithmetic number, because the mean of its divisors is an integer number (182352060).

Almost surely, 2^1901982182 is an apocalyptic number.

1901982182 is a deficient number, since it is larger than the sum of its proper divisors (1015650778).

1901982182 is a wasteful number, since it uses less digits than its factorization.

1901982182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27535.

The product of its (nonzero) digits is 20736, while the sum is 41.

The square root of 1901982182 is about 43611.7206952443. The cubic root of 1901982182 is about 1238.9928915076.

The spelling of 1901982182 in words is "one billion, nine hundred one million, nine hundred eighty-two thousand, one hundred eighty-two".