1982660000 has 60 divisors (see below), whose sum is σ = 4877690202. Its totient is φ = 793056000.

The previous prime is 1982659967. The next prime is 1982660033. The reversal of 1982660000 is 662891.

It is an interprime number because it is at equal distance from previous prime (1982659967) and next prime (1982660033).

It can be written as a sum of positive squares in 5 ways, for example, as 4545424 + 1978114576 = 2132^2 + 44476^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 29567 + ... + 69566.

Almost surely, 2^1982660000 is an apocalyptic number.

1982660000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1982660000 is an abundant number, since it is smaller than the sum of its proper divisors (2895030202).

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

1982660000 is an frugal number, since it uses more digits than its factorization.

1982660000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99163 (or 99140 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1982660000 is about 44527.0704178930. The cubic root of 1982660000 is about 1256.2693040935.

The spelling of 1982660000 in words is "one billion, nine hundred eighty-two million, six hundred sixty thousand".