1690116740 has 24 divisors (see below), whose sum is σ = 3822264600. Its totient is φ = 624043008.

The previous prime is 1690116733. The next prime is 1690116793. The reversal of 1690116740 is 476110961.

It can be written as a sum of positive squares in 4 ways, for example, as 32649796 + 1657466944 = 5714^2 + 40712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1690116740.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3249965 + ... + 3250484.

It is an arithmetic number, because the mean of its divisors is an integer number (159261025).

Almost surely, 2^1690116740 is an apocalyptic number.

1690116740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1690116740 is an abundant number, since it is smaller than the sum of its proper divisors (2132147860).

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

1690116740 is a wasteful number, since it uses less digits than its factorization.

1690116740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6500471 (or 6500469 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1690116740 is about 41111.0294203393. The cubic root of 1690116740 is about 1191.1658512907.

The spelling of 1690116740 in words is "one billion, six hundred ninety million, one hundred sixteen thousand, seven hundred forty".