1690144370 has 16 divisors (see below), whose sum is σ = 3042869760. Its totient is φ = 675922224.

The previous prime is 1690144367. The next prime is 1690144381. The reversal of 1690144370 is 734410961.

It is a super-3 number, since 3×1690144370³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1690144370.

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 7 ways as a sum of consecutive naturals, for example, 46889 + ... + 74691.

It is an arithmetic number, because the mean of its divisors is an integer number (190179360).

Almost surely, 2^1690144370 is an apocalyptic number.

1690144370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1690144370 is a deficient number, since it is larger than the sum of its proper divisors (1352725390).

1690144370 is a wasteful number, since it uses less digits than its factorization.

1690144370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33889.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1690144370 is about 41111.3654601741. The cubic root of 1690144370 is about 1191.1723423084.

The spelling of 1690144370 in words is "one billion, six hundred ninety million, one hundred forty-four thousand, three hundred seventy".