1690057630 has 16 divisors (see below), whose sum is σ = 3045878640. Its totient is φ = 675184192.

The previous prime is 1690057591. The next prime is 1690057637. The reversal of 1690057630 is 367500961.

It is a self number, because there is not a number n which added to its sum of digits gives 1690057630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1690057637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96364 + ... + 112543.

It is an arithmetic number, because the mean of its divisors is an integer number (190367415).

Almost surely, 2^1690057630 is an apocalyptic number.

1690057630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1690057630 is a deficient number, since it is larger than the sum of its proper divisors (1355821010).

1690057630 is a wasteful number, since it uses less digits than its factorization.

1690057630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209723.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 1690057630 is about 41110.3105072195. The cubic root of 1690057630 is about 1191.1519645509.

The spelling of 1690057630 in words is "one billion, six hundred ninety million, fifty-seven thousand, six hundred thirty".