1676648890 has 32 divisors (see below), whose sum is σ = 3454254720. Its totient is φ = 573993024.

The previous prime is 1676648861. The next prime is 1676648899. The reversal of 1676648890 is 988466761.

It is a happy number.

It is a super-2 number, since 2×1676648890² = 5622303000676464200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1676648899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30276 + ... + 65344.

It is an arithmetic number, because the mean of its divisors is an integer number (107945460).

Almost surely, 2^1676648890 is an apocalyptic number.

1676648890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1676648890 is an abundant number, since it is smaller than the sum of its proper divisors (1777605830).

1676648890 is a wasteful number, since it uses less digits than its factorization.

1676648890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35766.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The square root of 1676648890 is about 40946.9033017150. The cubic root of 1676648890 is about 1187.9934383695.

It can be divided in two parts, 16766 and 48890, that added together give a palindrome (65656).

The spelling of 1676648890 in words is "one billion, six hundred seventy-six million, six hundred forty-eight thousand, eight hundred ninety".