616822890 has 32 divisors (see below), whose sum is σ = 1481051520. Its totient is φ = 164410944.

The previous prime is 616822861. The next prime is 616822891. The reversal of 616822890 is 98228616.

616822890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (616822891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101107 + ... + 107033.

It is an arithmetic number, because the mean of its divisors is an integer number (46282860).

Almost surely, 2^616822890 is an apocalyptic number.

616822890 is an abundant number, since it is smaller than the sum of its proper divisors (864228630).

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

616822890 is a wasteful number, since it uses less digits than its factorization.

616822890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 616822890 is about 24835.9193508112. The cubic root of 616822890 is about 851.2428830204.

The spelling of 616822890 in words is "six hundred sixteen million, eight hundred twenty-two thousand, eight hundred ninety".