1600769990 has 16 divisors (see below), whose sum is σ = 2889695952. Its totient is φ = 638461344.

The previous prime is 1600769977. The next prime is 1600769993. The reversal of 1600769990 is 999670061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600769993) 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, 227189 + ... + 234128.

It is an arithmetic number, because the mean of its divisors is an integer number (180605997).

Almost surely, 2^1600769990 is an apocalyptic number.

1600769990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1600769990 is a deficient number, since it is larger than the sum of its proper divisors (1288925962).

1600769990 is a wasteful number, since it uses less digits than its factorization.

1600769990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461671.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 1600769990 is about 40009.6237173008. The cubic root of 1600769990 is about 1169.7946872307.

The spelling of 1600769990 in words is "one billion, six hundred million, seven hundred sixty-nine thousand, nine hundred ninety".