1992621068 has 12 divisors (see below), whose sum is σ = 3692209752. Its totient is φ = 937704000.

The previous prime is 1992621049. The next prime is 1992621073. The reversal of 1992621068 is 8601262991.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14651558 + ... + 14651693.

It is an arithmetic number, because the mean of its divisors is an integer number (307684146).

Almost surely, 2^1992621068 is an apocalyptic number.

It is an amenable number.

1992621068 is a deficient number, since it is larger than the sum of its proper divisors (1699588684).

1992621068 is a wasteful number, since it uses less digits than its factorization.

1992621068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29303272 (or 29303270 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 1992621068 is about 44638.7843472467. The cubic root of 1992621068 is about 1258.3696617710.

The spelling of 1992621068 in words is "one billion, nine hundred ninety-two million, six hundred twenty-one thousand, sixty-eight".