1683552090 has 32 divisors (see below), whose sum is σ = 4407846336. Its totient is φ = 408133760.

The previous prime is 1683552053. The next prime is 1683552097. The reversal of 1683552090 is 902553861.

It is not an unprimeable number, because it can be changed into a prime (1683552097) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2550507 + ... + 2551166.

It is an arithmetic number, because the mean of its divisors is an integer number (137745198).

Almost surely, 2^1683552090 is an apocalyptic number.

1683552090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1683552090 is an abundant number, since it is smaller than the sum of its proper divisors (2724294246).

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

1683552090 is a wasteful number, since it uses less digits than its factorization.

1683552090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101694.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1683552090 is about 41031.1112450053. Note that the first 3 decimals coincide. The cubic root of 1683552090 is about 1189.6216319385.

The spelling of 1683552090 in words is "one billion, six hundred eighty-three million, five hundred fifty-two thousand, ninety".